What's an idea you have that should be an actual thing?
Tourist cities should have hotel rooms by the hour that are actually clean when you just want to take a nap.
The image sensor is square... it should just shoot 1:1 scale and let you crop it to an orientation later
Most image sensors are not square, they are 4:3 or 16:9. Square sensors are typically used for more specialty applications.
I agree it could be useful on a phone to have 1:1 sensors, but I would still support the direct recording to standard video resolutions and aspect ratios as otherwise encoder limitations will affect what video you can shoot.