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You're right, and I'm not saying this to disparage your point at all, but if someone cannot draw an Asian man as Asian because they value accuracy to his Minecraft skin more, that is racism. I don't care if he's a snowman, basic respect should take precedence. Even if he had a pure white skin, even if we'd never seen a hint of him in real life, this would still be true. Like I said in my tags, a Minecraft skin is not an excuse for whitewashing and it never will be.
You know what, I feel like being mean today. Can we stop whitewashing Hax?
I've been seeing a startling amount of it come up in artworks in the recent months, and honestly, that isn't cool at all. That guy is Asian. He is from Hong Kong. It is whitewashing to depict him with a skin tone as pale as or paler than your designs for white runners. It is whitewashing if you choose to depict him with pale eyes. It is especially whitewashing to draw him like that without any other ethnically accurate traits.
Learn to draw people of color. I'm begging you. Or at least don't draw an openly Asian man with a skintone three shades off pure white.