One thing I thought about after making that suggestion is that there are many of us out there (including myself) that have multiple web browsers with the Bitwarden extension installed.
So having to customize every extension per web browser is time consuming and tedious. It would be nice if the settings can be synced and saved to our accounts. However, there are also some individuals that want different settings per extension so there would need to be an override option.
This would be similar to policies in Bitwarden organizations. So I don’t see why it wouldn’t be possible unless there is more to it than that.
Use case: I manage a Bitwarden organization and deploy the web browser extension via GPO to all of our 50+ servers as these servers are RDS servers and we use local profiles not roaming profiles.