Yeah, there's that. The double deck games on the strip pay 6-5 on a blackjack; they'll let you count cards all day long at those odds. With even basic shuffling machines (not the endless shoe shufflers), they can also 'shuffle up' to a new stack any time you raise your bet. Last, they can ask suspected counters to leave. Maybe conditions are better off the strip and away from the throngs of tourists?
All of which is a separate discussion from the thrust of this thread. I like investing, and I like gambling. Both have an element of risk. I do not believe that the stock market is simply a large casino, however, although individuals can certainly treat it that way if they like or choose to.