In unpoliced environments, weird white guys take over. Look at Donald Trump
“Fully 40 percent of online users have experienced bullying, harassment and intimidation, according to Pew Research. Some 70 percent of users between age 18 and 24 say they’ve been the target of harassers.”
..to attract more mainstream audiences and bring in the big-budget advertisers, you must hide or remove the ugly.
“For Reddit to become something resembling a viable business, it has to make money, and that means making the bigots and stalkers and imbeciles feel less welcome—how many firms will do business with the company that pays to keep /r/GasTheKikes running?”