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Windows Phone gets revenge on YouTube from the grave by helping users bypass its ad-blocker-blocker
(www.windowscentral.com)
This is a most excellent place for technology news and articles.
Yea I thought I was lucky until a few days ago. Same setup as you; FF, ublock, and pihole. Started with the first message, then this morning I just got the message saying 3 video limit lol.
Thankfully, purging all caches in ublock origin makes it stop for a bit.
And the arms race is on.