well, technically if you have an infinite bank roll you can always profit. That's why high rollers are so dangerous in casinos where there are no limits. But... there usually are limits.
I don't think a casino exists that doesn't have some limits set in play. Otherwise a billionaire could just walk in and empty the house in like 3 bets. You have to remember casinos are also playing the numbers game - they don't mind having less big betters and larger bet volume - they make their money from the -EV gambler's take on. The only exception would be games like poker where their rake would obviously be larger with larger pots and therefore high rollers. But once again in games like poker they assume 0 risk - it's a unloseable proposition.