In many jurisdictions, those machines are categorized as slot machines and taxed accordingly.
That may affect their desirability to the casino.
Many of the strip casinos have both brands.
Bubbles may actually be good for the game because many beginners are too intimidated to play at real tables right away.
In states like Flordia, where they are not allowed live craps, these craps bubble machines are the only option for craps. I dont trust them one bit as Im very confident that they have magnets in them to manipulate the dice. Stay away.