that is kind of joke Grin

? how can the "report to moderator" button be more effective than the thumps up button ?

Why is it a joke? 'thump' means to strike or punch. Striking a post means hitting it, or reporting it to a moderator.

He wanted to say "thumbs up" like a like.

It's nt British - Thump definition from the Oxford dictionary

Quote

Hit or strike heavily, especially with the fist or a blunt implement.

He wrote "why bitcoin talk forum don't have a like button ( up vote ) ?", that's probably a typo. Grin