Earlier quoted context omitted.
> I hope the GSM association moves fast to make robust E2EE a standard required for proper implementation for carriers. This is pretty moot now. Google has effectively turned RCS into a proprietary protocol, they fully control the only relevant server implementation, carriers that want to interconnect have no choice but to deploy Jibe or use Jibe as a service.
This could possibly open an avenue for another party to show up around this. Google de facto having reign on this is because they're the only company in this space that cared enough about it to get it moving. Apple supporting RCS could create enough interest that it breaks their de facto control of the standard
I know from a friend that Facebook was looking into integrating RCS to Messenger (not Whatsapp somehow) and willing to be part of the Google federated RCS network, that also fell through, but I don't why.