If you used your work stack for a game, what would be weird about it?

At work I use React on the front end, that wouldn't be too strange of a choice for a game. (Though I'm getting interested in making game graphics in WebGL)

The back end at work is Java and would work fine for the "bookkeeping" functions of a game backend. Java would still be a good language for a realtime engine (with say websockets) but it would need an architecture designed to do that.

We use azure app service so it would be overpriced at scale and we'd go broke paying for log analytics and intrusion protection because reasons that the engineering teams wast allowed input on