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 see, the problem is that you don't understand how federation works. This is not lemmy.world, this is lemmy.ml and here the rules are different.
Through this whole discussion you just showed yourself being ignorant on the topic of the discussion. Please refrain from sharing your opinions on topics you have no clue about in the future.