I'd be sure this was why, if Google hadn't once tried to get me to use a combo SMS/MMS + some-other-Google-messaging-service app on my phone (by replacing the normal SMS app on OS upgrade—this was on a Nexus phone) that was so broken and janky it was unusable.
Like, it is for-sure the case that a rich, huge, "smart" company can fuck this up a lot worse than Apple has. iMessage is easily good enough that I haven't had to go find some alternative SMS app, at least.