When I got my first cease and desist my lawyer basically asked me if this is a hill you are willing to die on (i.e. spend enormous amounts of time and money on). I with them luck. I suspect a Go Fund Me announcement coming soon.
You're thinking of pre-LLM times. Nowadays GPT-6 can probably advise them better than all the worlds law firms combined. And probably win too, considering the incompetence (and tech illiteracy) of human lawyers.
It would be cheaper to run it like a pirate site.
https://annas-archive.gd for reference.