Looks potentially photoshopped.

The letters on the right-side if the dry erase board are a different shade of black. And the finger hand hold is awkward.

He may have written that "it is gay", and then someone [possibly pranksters] edited it and it went semi-viral.

That stern visage could be boiling in rage right now, cause his face is irreversibly connected to some gay troon action.

I think it's a well-executed prank.