And if that were the only case where gambling were a plot point we might be able to handwave it, but there's pod races, an entire space Las Vegas, and the fact that ownership of the Millennium Falcon was determined by a rigged bet.
Even ignoring the telekenesis angle, force precognition should invalidate any lottery scheme in universe as well.
This could actually explain how the First Order amasses the financial resources necessary to build ridiculous physics violating mcguffins like the Starkiller Base and it's fleet in less than a generation after the fall of the Empire...
Perhaps Snoke was just a force sensitive high roller. It would explain his penchant for dressing like Hugh Hefner and his idiotic oversight in casually leaving a lightsaber unattended in a room full of motivated force users. At the very least, Palpatine would not have made that same mistake...