Go into debt at the casino

when gambling you should be able to go into debt if you want to. It should be at a max of $50k. Lets say I am playing blackjack and want to bet $20k but only have 1k in the bank There should be a screen that pops up in all caps and in red saying you will be in debt if you lose this hand are you sure you want to still do this action? Or something like that.