I think most social media counts as such, with the specific example in my head of Twitter only making a profit two years before Musk bought it, cut it to the bone, and increased its legal troubles.
Income starts off proportional to number of users and how much they use it.
Support depends on how many people are anywhere between unpleasant and unlawful.
"Unpleasant" is like weeds, if you're not keeping up they take over and keeping up becomes harder.
"Unlawful" can suddenly get a lot more complex when other legal jurisdictions notice you and (sometimes with or without changing the law because of you) remind you that anyone operating in their jurisdiction must follow their laws and not whichever one you put in your T&C — constitutionally guaranteed freedom of speech in one country can be constitutionally unlawful speech in another.
Income starts off proportional to number of users and how much they use it.
Support depends on how many people are anywhere between unpleasant and unlawful.
"Unpleasant" is like weeds, if you're not keeping up they take over and keeping up becomes harder.
"Unlawful" can suddenly get a lot more complex when other legal jurisdictions notice you and (sometimes with or without changing the law because of you) remind you that anyone operating in their jurisdiction must follow their laws and not whichever one you put in your T&C — constitutionally guaranteed freedom of speech in one country can be constitutionally unlawful speech in another.