Earlier quoted context omitted.
How on earth are there still no non Apple laptops that instantly and reliably go to sleep when you close the lid?
I suspect the answer to these questions are the same. When different companies are developing the OS, the drivers and the hardware it is much harder to get everything to play together nicely.
My guess is typical PC manufacturers have not felt it worth the time to invest in getting this aspect right.
Ironically, the best non windows trackpad I ever used was when Vizio tried to make computers. They actually got the trackpad right. In fact, those computers were really cut above everyone else, but my guess is they didn't sell well because they were taken off the market almost as fast as they were introduced