Gaming works great on Linux now and often better. The only scenarios I can think of where things are majorly behind are competitive games with anti cheat that doesn’t work on Linux and anything requiring peripherals with custom software, for example SIM racing. This means that the vast majority of games work great!

These won’t amount to much, windows 365 is expensive. Companies really only have a use case for these over dedicated hardware for specific use cases that make sense, of which there isn’t a lot vs dedicated computers.