If you'd please review https://news.ycombinator.com/newsguidelines.html and stick to the rules when posting here, we'd appreciate it.
It's not all about race and sexuality.
Non property owners are discriminated against?
Look for the etymology of the term "slave". You will be surprised.
That is not remotely true, if I log into Reddit I can find subreddits with white, black, Spanish, German, Japanese, Indian, French, Jamaican, etc. topics as well several subcategories such as Valencian etc. I am not sure what or where you are looking.
I don’t think Native Americans go by red or East Asian people yellow as well honestly. What social networks are banning you?
There is a heterosexual flag here if you need one: https://en.wikipedia.org/wiki/Straight_flag
You're wrong about that; the Chinese do refer to themselves as yellow. (It's not a native tradition there - it's taken from the old Western taxonomy. But it's still current.)
I am not at all racist, my best friend has dark skin, but I also can't help but notice that on social networks there's always that black* group/tag/community never do you see white,red, yellow, only ever black. I do find that quite racist and exclusive. If we're all the same, why does such distinction exist?