Remove youtube.com is now fullscreen container (allow deny)

[gotquestions]

You could easily remove this:
Remove youtube.com is now fullscreen container (allow deny) and still maintain video function and prevent the click to allow.
with

full-screen-warning-container

{ display: none !important; }

.
.
.

And, I received no response here #38 regarding a fix for:
"Automatically play next video from playlist" to PERSIST AFTER FIREFOX RESTART.