I agree with the arguments (usually made by Apple fans, and I don't mean that as a pejorative) that Apple is probably in their legal rights and that it makes dollars and cents business sense for them to limit iMessage to iOS as much as possible.
But it's still a shitty thing to do. I have a tremendous amount of respect for companies that do things that are contrary to business objectives because they're the right thing to do. In this case, Apple chose to do the shitty thing.
But it's still a shitty thing to do. I have a tremendous amount of respect for companies that do things that are contrary to business objectives because they're the right thing to do. In this case, Apple chose to do the shitty thing.