Well... yes. There was not much left unspecified in your proposals. Your first was to reject newcommer posts with a link in them, then moved on to rejecting newcommer posts with n links in them...
If anyone gets something from this thread other than a complaint about some bot(s) that frequently post a list of links to underground video sites (sometimes 5 or 10 posts with dozens of links each), it should be this one point.
The notion that any proposal of any kind in engineering, be it mechanical, electrical, chemical or software, is never the complete design.
In 40+ years of development work, I have never seen that happen or even expected.
Even in architecture, the initial designs are not the complete designs.
One reason is the simple fact that engineers (if there are actually engineers involved) test, evaluate and then feed that back into the design
I can't imagine any professional assuming that a napkin sketch proposal is the final design.
Think of it this way:
Say you're working in a company that makes electronic devices, and someone (say someone at the top, the boss) comes up with a proposed idea.
Now, imagine what happens if everyone else hearing or reading this idea takes it as the final, full, complete design and rejects it entirely on the basis that they find flaws, and focus on those flaws as a point of rejection.
How does that move things forward? It doesn't. It stops everything.
That's how government works.
That's now how engineering works. We'd never have the technology we have today if that were how engineers thought about proposed ideas.
Seriously, if you get nothing else out of the exchanges here, get that part. How that exchange develops is key to how an industry based on engineering and design works. It is central to employment and career.
I know in part because I hire, sometimes as a consultant and often as the owner of my own firm.
Notice the one thing that stops any attempt to filter out bots posting junk - management; ownership.
There is nothing, absolutely nothing, which stops the idea of filtering bot behavior from being implemented appropriately. It is done elsewhere to good effect. Anyone starting a brand new account is easily suspect of being a bot. Those with accounts having merely a few posts beyond the first develop a history of behavior and become active, valued members.