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.
When you’re a swashbuckling pirates in the lawless seven seas, you gotta come up with clever ways to enforce your ship’s code of conduct.