This will be somewhat a disaster if someone with a long list of account starts to participate in signature campaign and post AI generated garbage, I'm pretty much sure we will see the day in the coming future.
Even if the text-creating-AI becomes a paid service, it's probably not going to be more than a fraction of a dollar per text, and since many campaigns pay up to a few dollars per post, that's very profitable.Automating the whole thing will give you passive income. If enough people do this (of if one person creates enough accounts), it will outcompete humans from signature campaigns.
Then this will happen:
Eventually, once enough AIs spam the internet, they'll mostly get data from other AIs instead of humans as input. By then the internet will be one big circle jerk of AIs trying to impress each other, and us mortals move on to something else.
Maybe Bitcointalk.human will work as a domain. With a captcha 