there are clearly a lot of people in the comments that don't have the context for this clip, they didn't blow it up because of the call they were gonna do so anyway. Sabo being there was a coincidence and they called him unlucky for it.
its funny how One Piece fans think this is such a big deal when a lot of characters have stupid abilities like this that can destroy land masses. but since Imu did it fans act like it's so crazy. you guys are way too bias for this show.