Care to elaborate? As in, what sort of legislation is coming up widespread across countries that would harm the revenues of, say, Candy Crush?
https://www.bbc.com/news/newsbeat-49674333
"Loot boxes 'link to problem gambling'"
https://www.bbc.co.uk/news/av/uk-england-46295317
"Number of child gamblers quadruples in just two years"
https://www.bbc.co.uk/news/business-46286945
"Could Candy Crush Saga be a gateway to gambling?"
https://www.smh.com.au/technology/could-candy-crush-saga-be-...
"How ‘Near-misses’ in Candy Crush Increase Frustration, and the Urge to Continue Gameplay"
[..] "some players can, and do spend more than they can afford on these games (Lloyd 2016)."
[..] "Tellingly, Candy Crush players often specifically liken Candy Crush to slot machine play to convey its appeal"
The revenue from mobile apps is quickly drying up now that we are getting stronger anti-gambling laws. Because let's be honest, mobile games make money by hooking rich gambling addicts. That's why the industry calls them "Chinese Whales" and the "99.9%-ers" who are allowed to play for free so that the actual customers have enemies to crush with their pay-to-win items.
That said, I have a very low expectation of Unity-the-company to pull this off successfully.