> Plus, unless they fixed it, if you enable RCS and then regret it and disable it again, anybody who texted with you via RCS will no longer be able to text you at all. Things won't revert to SMS.

That same "bug" existed for years with iMessage, for anyone switching from an iPhone to a non-iPhone.

It still exists in some form, albeit less severely, because Apple finally implemented a timeout and a way to manually deregister a number, but it took years.