They don’t contradict each other. Every other article has also said it doesn’t support Qi2. The only way you can charge it magnetically is theough the case.

The OnePlus 13 does not, Oppo only have magnetic cases that support their proprietary wireless charging.

They didn’t, Google are the first to do three years of OS updates and security patches with the Pixel 2 and extended that to the first gen Pixel. Samsung were doing two OS updates until they promised they would do 3 OS updates at the Note20 launch and extended it to the S10 and other models. You are correct that they upgraded that to four with the S21 before Google made the jump from 3 to 7.

A hands-on article from the same website says it’s not pure wood. It’s been treated to protect it from water and skin oil