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Samsung joins Google in RCS shaming Apple
(www.theverge.com)
This is a most excellent place for technology news and articles.
Also very good point. My threat model is I don't want script kiddies with shit that they can get (optionally) off of eBay to be able to read my messages because too many places still default 2fa and other identifiers to SMS. Until RCS defaults to E2E at least in transit, that's tough. From there it's still going to be the mercy of what the OS vendor decides, like Apple in this case. That said, if I were worried about government actors or a targeted attack, I would 1000% used advanced data protection.
Anyway, upvoting your comments as much as I can (+1) because you're totally right and it's a consideration you should have.