Please. Captcha by default. Email domain filters. Auto-block federation from servers that don't respect. By default. Urgent.
And yes, to refute some comments, this publication is being upvoted by bots. A single computer was needed, not "thousands of dollars" spent.
You didn't ask the question, you're trying to move the goalposts. If you have no arguments left - stop arguing. Or go back to Reddit, as I have asked way too many times right now. This is a place for everyone, not just you.
Well, good luck to you then. As a sidenote - maybe try to learn where the rules are. Because you clearly have no clue.