No extensions that randomly change your fingerprint? I suppose that might trigger a lot of captchas.

There are but I'm not aware of anything that can reliably fool creepjs.

https://abrahamjuliot.github.io/creepjs/

And yes it often results in endless captcha loops.

Fingerprinting can be extremely sophisticated. Have a look at this test: https://coveryourtracks.eff.org/

Only Tor Browser can reliably fight with it.