And I've basically installed chrome, vscode, and a whole bunch of little packages to make basic hardware operate normally. There's an app to allow the track pad and mouse wheel scroll directions to be set differently. There's another to allow the mouse side buttons to work. It's a basic mouse. These are settings and compatibility issues that do not need to exist.
But the most annoying is that the monitor is a bit blurry on the M1. I use vscode for a few mins before I realise there's a fuzziness to it. And apparently this is a known issue, because macs only scale properly for 4k resolutions. So there's another app to make it think its 4k or something. Helps a bit but not that well, and it's a trial. It's maddening. How the hell is anyone supposed to know that Apple has just decided that they won't be compatible with an entire category of bloody monitors, of all things.