The DMCA outsourced due process for copyright infringement.
SOSTA did it for illegal advertising (really, for policing morals, in general, but even the title of the bill agrees it was outsourcing sex trafficking law enforcement to private entities).
The CLOUD act did it for illegal domestic searches and also foreign espionage.
Caveat emptor — the big internet companies that lobbied so hard for these bills (or built businesses on them) got some short term platform lock-in, but they also guaranteed that their business models would be morally reprehensible moving forward.
We’re starting to see the fall out with Facebook, but they are not the only bad actor in this space.