you have already given away your right to anonymity.
This is defeatist.
has nothing to do with google
I don’t know why you keep bringing Google into this.
switch between the many offered already
Where is past chat history? Are contacts synced?
Name the last time a carrier locked you out
My point is why stay chained to a phone number?
This again displays your lack of understanding of how SMS/MMS
RCS merely amplifies SMS/MMS.
I do not use nor recommend the use of either of them when possible.
The moment you turn on your phone you have given up your location to the carrier.
A fairly rough one by cell towers.
GPS turned on
connected via Wifi
Would require software running on the phone to send this information back to the carrier.
ala OMA-DM or A-GPS MSA.
Or your carrier sending emergency SUPL overrides.
Or something more nefarious lurking deep in the proprietary modem.
You don’t have a choice, read my response above.
There is a choice: don’t use SMS/MMS/RCS. And use TLS whenever possible.
A law abiding citizen has nothing to worry about which is the masses.
This is just silly.
neither is adopted to the level Universal Profiles
Why should they adopt some awful proprietary protocol?
To be completely clear, as far as I am aware, all of the publicly available RCS specifications are not complete. They have many parts missing. You have to be part of their special circle to get access to the complete specifications.
can tell yourself you are secure
There are many different shades of secure. E2E XMPP is most definitely secure from a cell carrier.
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I have no intent to respond to this any further.
RCS is a pitiful attempt by the carriers to take back control from the rise of apps like WhatsApp and Signal with E2E by default