nagano We have 4 pixels from 6,6a,7,9 none of these devices has any issues. The only complaints are the optical fingerprint sensors. But my Pixel 9 with ultrasonic sensor is way better.
IMHO the 9 is a big jump in all aspects. But hopefully, we will get great specs at a normal price, once we see motorola special device, we will see.
Any non stock android, or ios is good for privacy. iOS privacy is good if you trust apple, but iOS sends data constantly, jut pick up the phone and it already contacts apple, no way to turn this off. If you want to use carplay, you have to enable siri (and read what they write when you enable it, transcripts send to apple). Thus unless you turn on airplane mode apple always knows were your are. My company does not allow to enable siri, doesn't matter if you use the opton button press for siri.
I have used pretty much everything stock, lineageos, calyxos, iOS, grapheneos.
Calyxos was pretty good, especially when you compile your own builds, where you change ntp,dns and a few other defaults, use your own boot keys. Calyx firewall was really nice.
Grapheneos is cool with it's storage spaces and fast updates.