Windows Phone gets revenge on YouTube from the grave by helping users bypass its ad-blocker-blocker::Windows Phone to the rescue. A lot of YouTube users want to know how to get around the new annoying YouTube pop-up telling viewers to disable their ad-blocker.
I had those warnings and they stopped for me 2 days ago
Who knows what google is up to. They might also be testing whether your consumption habits change depending on whether they showed the dialog or not.