When selecting a video on YouTube (from any “image” of a YouTube vid), it should not begin playing if the autoplay is “off”. Yet - it does. If one right clicks a video to open it in a new tab, then no issue.
Reproducible: always.
Annoyance level: chipmunk on the open ended marmotini scale.
I see at least one person has reported this in the past with no replies posted or fixes done.