@HeartyBeast@stefano@Haphazard9479 Google put up their own because the carriers botched the rollout. The carriers were very fast to deploy MMS servers because they could charge by the picture. Now that they no longer can do that, they were in no hurry to do the upgrade.
Using Pixel phones, RCS is pretty nice. You do get the three step confirmation (sent, received, read) and end to end encryption.