Cue the "actually we didn't mean that" follow-up to this.
Thing is, now they've shown a willingness to make this change, so from here on out people will be worried about them trying it again at some point. The only way they have a hope of putting this genie back in the bottle is to provide a loud, strong, clear mea culpa, stating that they were categorically wrong to propose dropping SMS support, plus a strong promise that they will continue supporting SMS for the life of t…
Dropping an insecure messaging system is far from being a warrant-canary type of alert, though.