It is. It's just that the culprit is Apple. No demos, IAPs for free games, 70% cut on all transactions, those are the actions that shaped the overwhelming part of the mobile market into a casino-in-everything--but-name.
Still hoping that games with "surprise mechanics"[1] get legislated into the 18+ bucket one day. That would not only keep many kids from blowing their parents' credit cards on gems but make this business model less attractive by shrinking the market.