The duopoly of having Apple and Google control the entire mobile universe is gut wrenching. This developer is now unable to develop for millions of phones based on an algorithm deciding they were a bad actor and Google likely won't be compelled to care, a drop in the vast ocean of their concerns.
There aren't any alternatives for commercial or monetary apps. I've taken to using finds on f-droid for mission critical mobile applications but that's just not viable for most people.