[ChrisMarshallNY]

I hear about this kind of thing, all the time. I guess they manage to not do it that often, so I guess I hear only the bad reports, but they are universally awful, when I do hear them, and they all have the same theme:

A.I. Broke it, and the [rare] humans in the loop are powerless to mitigate the A.I.'s breakage.

I was considering using Firebase, when I started the project that I'm working on, now, but got cold feet, and wrote my own server. It took a while, but I'm glad that I did.