Conversely, not being on a platform with a very considerable amount of their current userbase could cost them massive amounts of subscribers, and possibly allow competitors to take their place.
It's been milked endlessly but definitely not disrespected a la Sonic. You know when you pick up one of these you're in for a good time. It's the kind of reputation Nintendo knows it relies on.
Not being able to rely on RCS from rooted phones makes sense security-wise. You can't trust what's attached to that message. It could be a code injection hack.
It makes no sense at all security-wise. It is always a bad idea to rely on the security of a client that you don't own or control.
Your statement makes the assumptions that Google can detect every rooted device and there's no possible other way to send RCS messages. Neither are true.
A corrupted password policy might do this