> irresponsible users are bad for the platform and with the proliferation of both blacklisting and whitelisting it should be under control.

Indeed, it has become more narrow as we have seen many smart solutions implemented to combat spam/scam etc. It is more profitable for a shitposter to hire quality original writing from a bachelor english writer from a foreign country. They realize there is more money to be made if the post is really good when they trend it. I like it.