I too have not had much trouble with BT. I'm a senior retired software manager with hearing aids, a smart watch, and a car. Only issue I have is once in a while I'll use the phone and instead of the sound coming from my aids, the phone speaker is on instead. I know of no way to redirect it to the hearing aids. This has also happened in the car. My former OnePlus 7 Pro had a button to redirect the sound but nothing on the pixel. I tried a Bluetooth app that is supposed to do that but it doesn't work. Possibly due to the other BT issues. I still have that phone and I'm tempted to use it instead of the p6p that is giving me grief.
Please don't post in multiple threads asking about the same problem, especially since you created a dedicated question thread for the issue already. I tested and I'll answer you in the other thread.