anyone actually get banned from casinos for card counting?
At low stakes, most casinos just do not care unless you start wiping out entire shoes with big spread bets or attract heat from odd behaviors. I’ve only seen someone asked to “take a break” once, and they were pretty blatant with their counts and sizing. For disciplined folks grinding regular blackjack, it is mostly just a threat to keep people honest. High rollers or team play get noticed quick, though. The bigger the action, the closer the watch.