Frankly, half of these are reasons why I may never ever fly. If something as simple as a smartphone can interfere with planes navigation systems, imagine what someone with malicious intentions can do. It is scary to think about. As far as I know there has never been a crash attributed to these devices, but it is scary.
As for the other half... I get it... Someone loudly talking on a phone, or watching/playing loud entertainment is annoying, especially in an enclosed space... and may even be distracting on smaller aircraft... But at the same time, flights are often several hours long (I think Perth to Sydney is about 4 hours or something, and I imagine coast to coast in the USA is similar... and Perth to London is nearly 24 hours)... I'm going to want my phone to keep me occupied and stop me from going crazy. But I am also super conscious of disturbing other people, so I'd definitely use something like airpods/galaxy buds/etc.
ETA: Just sent in an Ask Jerry question myself... something that has been burning on my mind since I bought my Pixel.