Those who read me probably remember when I said races don't exist. Allow me to elaborate: racial differences exists, but there is no evidence some of these give clear biologocal superiority over others and there is no causal link between cultural characteristics and racial characteristics . I said race doesn't exist as it is commonly used as a discrete category for simplicity, but to be fair the concept is still used appropriately in science.
However, it isn't a discrete category as people often use it. Scientists use a more complex, specific definition. Remember when I said "What even is white or black? Where is the line?" well scientists agree:discrete categories are nonsensical. Rather, race is used to identify genetic ancestry and categorize genetic traits ( not cultural or psychological) that are likely to be bundled together, but not unlike any generalization, there is no "typical racial example", a person identified as being able to digest lactose due to their racial lineage may still be lactose intolerant. Nothing is set in stone.
There is also a few traits that are universal amongst our species, an high intellectual and social adaptability for example. Intelligence and it's related skills do vary, amongst individuals, because it isn't a racial trait, it's a trait of our species, and even the most homologous genetic pools have individual differences. All humans have the potential to learn and adapt to any language or culture. There is no established links between your genetic make-up, your geographic location and your ability to exhibit cultural and linguistic traits and proficiency. Humans especially are known to have migrated a lot, weakening the link between geography and racial adaptations, even if most people are still at least partially adapted to their native environment regardless (pale skin is still more common and useful in countries with less sunlight for example while the opposite is true for darker skin).
Even if races didn't exist at all, it would admittedly be one of the worst argument against racism, because it implies that if races existed as discrete categories racism would be justified. Which is false, racism is bad for a whole bunch of reasons, not just because the discrete categories racists use are innacurate and an oversimplyfication of the complexity of our species genetic diversity. Racism is bad because even if the claims made by racist ideologues were true, mistreating people for what is out of their control, their genes, is unfair and a terrible injustice.
It's not simply a matter of being precise while using the concept. After all, men and women are biologically different (same potential, different development) yet those differences can't justify sexist doctrines that treat women as objects or men like animals. That's also why transphobia is wrong: no matter what gender or sex they are, discriminating them for what is out of their control is unfair and injust. Does that mean that discrimination can be justified? In some cases, yes. We discriminate against ex-criminals all the time, a pedophile can't work with children, a murderer can't become a cop. But we discriminate based on their past individual actions, not their being, their beliefs or the actions of others sharing traits with them. That's the biggest difference.
I am homosexual and as a gay man I am forbidden from donating blood in Canada unless I become abstinent for a few years or lie. Why? Because other gay men, both in the past and nowadays had risky sexual behaviors and transmitted serious diseases between themselves. For the behavior of others, I'm being discriminated against, because we share identity traits. Now that tests are so fast and efficient, such a long abstinence period is unjustified, and why only to gay men? Why not lesbians or straight men and women? Since homosexuals are less numerous, statiscally speaking, by not asking this abstinence period to anyone else but gay men, they are placing themselves at risk of getting ill blood from those other groups, which by the single fact that they donate more blood, make them more likely to donate ill blood. Remember, AIDS and Syphillis aren't gay males' exlusive diseases...
No, this kind of discrimination has no reason to be this specific, they should ask everyone, regardless of gender and sexual orientation to be abstinent for a certain period or not at all. Blood tests take 9 days of being infected to notice any disease now so a 14 days abstinence period for everyone wishing to donate seems reasonable to ask for.
People should only ever be discriminated for their own individual actions. If someone you lent money to isn't paying their loan back, you probably will think twice before lending them more money the next time they ask you. You are discriminating against them, but you are justified in doing so. Plus you won't discriminate against all of the friends that you lent money too, only the ones that aren't reliable. Racism,sexism and other ism are not justified forms of discrimination. I hope this clarify my thoughts and beliefs on the matter of race and discrimination. -KeLvin P.S: Obviously you can guess my thoughts on racial profilling and most discrimination from this post alone. I didn't mention everything because it would have been tedious.