There was a time when you could infer a wooden roulette wheel's bias by collecting enough samples. I think now the casinos track this and retire biased wheels,

There was a time when you could infer a wooden roulette wheel's bias by collecting enough samples. I think now the casinos track this and retire biased wheels, which is why they have the data feed in the first place. And then yeah, why not publish it to make more types of gamblers interested in the game!