Comment by the_snooze

It would indeed be crowd-sourced, but with a core set of maintainers. Wouldn't be all that different from EasyList or Steven Black's HOSTS file. They basically take in merge requests from the community and serve as an initial filter against garbage. [1]

And unlike Amazon reviews or YouTube comments, anyone can fork it if they think they can maintain it better.

[1] "The filter lists are currently maintained by four authors, Fanboy, MonztA, Khrin, Yuki2718 and PiQuark6046, who are ably assisted by an ample forum community." https://easylist.to/