Iacisrmma, he speaks not his mouth and tongue. You can see it on a website called Shulsigns. Do a search on “תוספות יום טוב”.
Little, actually the Mishna Berura says (124:27) that a shul police force should be established. The Kaf HaChaim adds (s”k 37) that the offenders should receive many punishments and be publicly shamed