Moral requirements to protect patient info has absolutely nothing to do with MITM traffic to employee banking sessions, etc.
There’s very little empirical data showing benefit of this for data loss prevention or intrusion detection. What I’ve seen is security theater by companies who make money selling these products.
The other option I have, other than quitting, is to improve company policy to focus resources away from wasteful spending toward productive. As well as to try to influence browser vendors to block this. Fortunately if Chrome and Firefox go a step further and block this behavior for companies then it’s not practical for an organization to spend money to purchase a different browser. This is possible since Microsoft went to chromium.
Obviously, I can also use my own device.
Don't use employer devices for personal business.
If you don't like it then there is something you can do: go work somewhere else, or use your own device on your own network.