Exactly this. Even if RCS does everything iMessage does, you still have a dreaded "green bubble" in iOS messaging which is a huge (anti) social signal to teens.
Does it justify their reason for hating on Android/green bubbles? Of course not, but that's 100% the reality of the situation.
Does it justify their reason for hating on Android/green bubbles? Of course not, but that's 100% the reality of the situation.