I hope a Firefox extension comes out to automatically block visiting any website that blocks EU users in general, regardless of whether you are in the EU. I would use it.
Blocking EU users is a smart business choice to avoid any possible legal issues and far easier than compliance.
https://en.wikipedia.org/wiki/Online_Privacy_Protection_Act
Edit: Apprently, there is a new one on its way: https://eu.usatoday.com/story/tech/talkingtech/2018/06/28/ho...
People like me are the sort who think about Stalin and sigh: "oh, things were so good back then!". That's why we love regulation.