Stolen from Deltachat
Mainly because Windows has more support. Software availability is the biggest draw to Windows. I would quite happily drop it in a heartbeat if Linux came close.
MacOS has no proper UI scaling for example. Something windows had for… I don’t know, ever? It was never an issue for me.
For MacOS you need a little extra tool you stumble upon after hours of debugging that teels your MacOS what resolutions your display actually supports so MacOS grants you the option of your desired HiDPI resolution.
It’s stuff like this that drives me mad when dealing with the fucking Mac I am forced to use at work.