With all due respect, do you have any idea what you're talking about? This is poker, not blackjack. Card counting is useless and there's no strategy that will get you thrown out of a casino because it's not the casino's money you're playing for.
I'm not sure what sort of "standard well-established techniques" that "would be trivial to program" you're talking about. Optimal play in no-limit hold'em is a tremendously complicated mixed strategy with a massive decision tree. To make things even more interesting, in almost any given situation there will be multiple "correct" plays that, to avoid being exploitable, should each be made some percentage of the time at random.
This AI is novel because it achieved a result that (as far as anybody knows) has never been achieved before, not because it figured out how to do something on its own.