Man, if you seriously would exclude someone from social interactions because of the colour of their speech bubble in group messages, I dread to think how m stressful it would be to interact with people who's entire bodies were different colours.

Not even joking. 'Its legit stressful if someone's messages use a different colour background' is not logically compatible with being ok having different coloured people in view. I'm not actually calling you a racist, because it would also mean you get distressed if people wear different colour clothes and have avatars that look different, and I think a social group like that would have struggled enough to realise that the solution might not be 'get the Wrongly Coloured Group Text Guy to purchase a different phone rather than, idk, stop spending so much time staring at screens.

But it was amusing to imagine how wildly conformist one would have to be to actually dislike someone because their phone number doesn't have enough 7's or their name is longer than everyone else's so it looks untidy or whatever.

He's not saying HE is this way, he's saying the US culturally is this way.

Which... uh, yeah, it is. The US is superficial, it's vain, it's racist. I thought everyone knew that.