I have a similar issue. I have a Pixel 9 Pro and a Pixel Tablet, both running GOS. The owner profile of both devices is where I manage/install apps from and push them to the other profiles I use. What I would like to do is have the tablet share the internet connection from my phone via Bluetooth. However given that I do not use the owner profile for anything other than managing apps, having to stay active in that profile renders the phone useless if I want to keep the tethered connection active for the tablet. I can start the Bluetooth tethering from the owner profile (as I do with WiFi Hotspot, which does remain active after switching profiles) but since Bluetooth connections are severed when switching profiles, the connection does not remain active. Is there a way around this? Are there any plans to allow non-owner profiles to manage tethering?