I've been annoyed by the default behavior of swipe gestures and Smart Reply suggestions in Google Messages. Here's how I ...
Open Google Messages → profile icon → Messages settings → RCS chats → turn off “RCS chats.” Wait a full 5 minutes (not 30 seconds — the deregistration needs time to propagate to Google’s servers).
The Google Messages app might get a new “Details” button in the RCS settings page. Tapping this button will show details, like the status code, device ID, and carrier, needed to diagnose the RCS issue ...
One tiny setting could fix everything.