Why are Indians so prideful?

Everytime I go on social media, I realise Indians always like to butt on other people even though it has no relation to them. For example, I saw a video of tourist attractions in china and Korea and the comments were full of Indians saying, " Indian got this but better!!! We got something that Looks like this in India! Copy" this happens in many other videos as well Or like when it's a factual video or something historical they will start bringing their own religion in for no reason like "x Indian god is the best" or sth like that or they will say INDIA INVENTED THIS!!!! I've also realised that Indians like to make fun of others and I feel like almost every Indian always just makes fun of the guys mom or how they slept with her of how she has an OF like when I see that one roast I already know it's an Indian In fact this is obvious in irl as well. My country has quite a lot of Indians and they are always very rude as well. Like they don't give a shit about you and will most of the time just litter wherever and just be super inconsiderate and they always have some sort of smell that is uniquely indian. They are extremely loud and obnoxious as well in public spaces. Indians I feel that are civilized are Indians in the higher income bracket with office jobs in my country they always strike me as intelligent but not prideful. Every Indian I've interacted with that is working in an MNC or white collar job they are normally the most well spoken individuals I've ever spoken with while not being snobbish I feel like Indians like to claim other people's stuff as their own and be prideful about it even though they did nothing to contribute to said accomplishment and it's frankly really fucking annoying whenever I come across it