Earlier quoted context omitted.
No, it's an industry agreed standard of an implementation similar to iMessage without end to end encryption. It was created by many of the carriers as an upgrade to SMS.
It's an industry standard, but if Apple doesn't implement it in iOS then it's only useable from one Android device to another. That effectively makes it into crappy iMessage for Android. Only works within one OS ecosystem, but it's unencrypted, managed by your carrier, and limited to the one cellular device itself instead of also working directly on your wifi-connected tablet and computer. It would be nice of Apple t…
I think another issue is that Apple just doesn't care about the user experience of anyone who isn't using an iPhone, to the point that I feel like they pretend non-Apple products don't even exist. I bet many iPhone users would like to be able to send encrypted messages and non-horribly-pixelated video to their friends who use Android (for example), but Apple acts like they don't even consider that as a use case.