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I try it in my firefox and I don't experience this prompt. Possibly because I don't read long enough to trigger the prompt, or ublock origin advanced mode + Privacy Badger + Tracking Protection combo suppressed too aggressively that it never appears. I tried disabling the plugins but cannot reproduce.

Btw, for this kind of prompt, one ublock origin features I found very useful is cosmetic filter. I could specify which CSS element permanently to disable by right click menu. I find it useful when I want to watch a specific Facebook video but that annoying Facebook login prompt keeps bugging and it could be triggered by left clicking anything in the page, including expanding comment sections. Though, it's a cat-and-mouse game, and you never know when the countermeasures doesn't work.