After decades of working with computers, I started to develop some wrist and arm pain a few year ago. So I switched from using whatever random mouse I could find for under $20 to using input devices ...
Your keyboard is an essential part of your computer, so when it stops working correctly and stops responding as you're used to it's only natural that you'd want to replace it as quickly as possible.
Out of everything that goes into choosing a laptop, the keyboard should be near the top of your list of priorities. Performance, portability, the display, and a dozen other factors are all important ...