Removing said TVs and other electronics from and around the dugouts and removing all non-broadcast feeds into dugouts would just be too hard and teams would just find another way to do it so might as well not even try. Introducing player and coach suspensions in line with current PED protocol, levying forfeitures of games and top round picks would be IMPOSSIBLE so let’s take those options off the table. Expulsion (of whom?) and removal of championships (which aren’t guaranteed to occur and would only punish a single team if they cheated) are the ONLY options.
Again, really weird take to say it (broadcasting a direct zoomed in feed of the catcher into the dugout to monitor signs and have staff assigned to watch said feed tip pitches and signs to players by banging trash cans, among other noise-making methods) is part of baseball’s culture and other team may be doing it so what’s the big deal and leave it be.