This is the whole reason why we have uBlock "Origin" and not (only) "uBlock".
If anything, the split was because one of the uBlock contributors tried to monetize it for his own benefit only.
Re:uBlock Origin 1.20
by TheKIngofBelAir on Monday June 17, 2019 @08:50AM
(#20202363)
That was after gorhill decided to pass the project to Chris.A, the real reason of the split was different.
https://www.wilderssecurity.com/threads/ublock-a-lean-and-fa...
You can say that again
"Ublock collaborators gorhill and Deathamns leave the project" (2015)
https://news.ycombinator.com/item?id=9308439