THEY WILL, some of them are accepting bitcoin already!
1, Online casino, LIVE or AUTOMATED are now accepting bitcoin as a money to bet on their site.
2, In this a casino can accept bitcoin like a credit card did and exchange into chips to play and bet on the game.
3, Casino are gambling place, the owner loves to gamble in anyways, having bitcoin in the casino and get it as a payment for the chip they can use bitcoin another source of income, like this. Ex. 1BTC = 1000US worth of chips while at the end of the day 1050 CHIPS = 1 bitcoin. that's cool for the business right? and the up of market value in the community is a good deal for the casino too.