RCS is inferior to iMessage simply because it doesn't work on tablets and desktop computers. Since RCS is tied to mobile carriers, who don't want to give up control over those juicy messages, the problem will persist forever.
iMessage is device centered - your messages are just relayed to desktop by the mobile messaging app. Android messages can do this too [1], So can Samsung [2]
iMessage is device centered - your messages are just relayed to desktop by the mobile messaging app. Android messages can do this too [1], So can Samsung [2]
[1] https://support.google.com/messages/answer/7611075
[2] https://www.samsung.com/us/support/answer/ANS00087322/