They "work", but not well.

https://github.com/gorhill/uBlock/wiki/uBlock-Origin-works-b...

Until those things don't work any longer. Slowly the frog is boiled here.

They can still block elements from appearing on your browser but in the background the network calls are still being made. That means you are no longer being protected from tracking and your internet is once again being slowed down by the loading of ads

For now. Advertisers now know ways to bypass all blockers for Chrome.

Right, google knows not to turn up the temp too fast, else the frog might jump out!