that is kind of joke

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