Why does it take so many steps to tell Youtube "I've already watched this" ?

I have soooo many videos that I've already watched.

5 clicks in a context menu is wayyyyyy to much

It should be one click.

And "I've already watched this"

Doesn't meant I don't want to see that youtuber any less of course.

It's that specific video, because I'VE ALREADY WATCHED IT !