One guy just blacklisted me, because his country is in war with mine,what do u think about russians?

You should just blacklist him in return and move on. No need for a drama over something like that. I've been blacklisted by many people, for no apparent reasons. Or maybe because of my rather poor wording regarding some sensitive topics. People get butthurt so easily... Anyway! Just blacklist him. The Internet is a big place with all kinds of people :P

Quote from your profile: "If u buy from russian traders - u support communizm ☭", be it a joke or not I don't find it funny at all and I am not even Russian. Blaming ordinary people for stuff like that is just wrong and I think that him blacklisting you was totally justified.

Wow, what an elegant way to say: "I want to be blacklisted again and again! Pleeease". I'm genuinely impressed. It's also nice that OP insists on using his broken english when replying to posts in russian. :)

It, uh, could be the tank profile picture...

u are lel

Well, if you got the right reason, I think it is also related to your profile picture.
But I don't think you really care about him.

I know it's easier and way more fun this way, but can't we – just for one day – try the "you and me" attitude instead of "them and us"?

Just kidding, I hate them! And by them I mean everyone. Yes, you too. Don't remove me from your whitelist! Okay, okay, I don't hate you! How can I prove it? What? Okay, nevermind, I hate you.