Same here. I've started a prototype using firebase, however, I'm concerned about issues like this and the fact that sometime in the future I get a shutdown notice and I will have to migrate.
I can roll my own using Rails but I'm trying to avoid that.
I haven't come across his channel before but from what I saw he has good quality tutorials plus he has 300k subscribers. It is really sad that the combination of quality and 300k subscribers doesn't bring him a decent return.
As a long time Unity developer that hasn't touched C++ in years, I can say that I have been experimenting a lot with UE4 and I haven't really needed to touch C++. Blueprints are really powerful.
Having said that, I'm really excited to see c# supported.
I can roll my own using Rails but I'm trying to avoid that.