You do, as it happens. In order to operate, all machines must pass fairness and randomness testing. They are also under a spot-check regime to ensure there are no post-manufacture changes or defects.
> It is sad that the average American citizen does not have a sufficient grasp of basic probabilities to even consider putting money in such a machine, because it means that the school system essentially fails at preparing kids for the real world.
You're not playing as an investment/to win, you're playing because it's fun. The probability of winning is a factor that affects the 'fun' element.
>And it is sad that governments are encouraging those temples for theft to prosper the way they do. Because it really is theft
No, it is entertainment. It's not at all theft in any way, shape or form. You may not enjoy it, and that's fine. But other people do enjoy it.