You're right. It is an issue and a lot of players and researchers are already into it in an area called "Trust & Safety". However, these are problems that perta

You're right. It is an issue and a lot of players and researchers are already into it in an area called "Trust & Safety". However, these are problems that pertain to platforms as opposed to other tech enterprises, and as such, they are mostly dominated by these companies interests and strategies. E.g. it can be argued that misleading advertisement is still good business for GoogleAds or Meta. Refer to a discussion here on HN along the lines of "the optimal amount of fraud is non-zero" to get a better idea of the sort of thing I'm talking about. Moreover, aside from being problems of the closed platforms we chose to be the "winners" of the Internet most people use, it looks like the companies don't want any help in solving them, or won't make it any easier. A lot of people has done research on fake instagram accounts, for instance. It now got almost impossible to have API access to followers/following ratio or even scrape it, which is a key metric in that research. Anyway, I digress, but yes, it's an issue, it's a proper issue of platforms that take human input, and it's one they don't want our help.