This article puts "we pinky swear its not gambling" apps, I'm thinking Robinhood here, but some crypto and prediction market apps would qualify too, in a new light.
If you don't appear to be a casino at first glance, it's a lot easier to find employees, payment processors and advertising networks willing to work with you.
Brick-and-mortar companies (notably Walmart) used the same trick to get tech talent. Having Walmart on your tech resume doesn't look great, having an e-commerce startup called jet.com looks much better, even if Walmart is that startup owner and sole customer.