It’s the regulations, not the technology. It was ruled that sports betting is “skill-based”, and then these apps exploded.

Yes! There’s a reason Microsoft bought Activision-Blizzard-King

With this little change, you might think you’re supplementing their minimum wage pay, but the owner can lower their pay to the “federal tipped minimum” in some states. You basically just make it cheaper for the owner in the long run (they’re probably sold on this by the Point Of Sale software company), and the workers can get little or no extra money.