Comment by vineyardlabs

I think the point is that it's kind not entirely accurate to say that Apple doesn't allow messaging interoperability with Android. They in-fact do through dozens of available third party apps. They don't allow non-apple devices to implement the iMessage protocol, which could be argued to be anti-consumer but it's not really evidence of apple being a monopoly.

Edit: Just realized that you I misread your comment and you and I agree