Genuinely where do y'all meet the weird and questionable people everyone keeps talking about?

there is a lot of social media and websites that the public have stereotyped the person using them as some of the worst being to ever walk this and there is a lot of evidence to back up those stereotypes. When I started using those apps and websites. I really didn't find anything that matched the stereotypes absolutely nothing

did they change or something because until now I haven't met a single one that matched the stereotypes