How many people are going to be able to: 1)diagnose the problem(the driver) 2) figure out they need a new driver 3) find a driver for the bundled hardware that will work the way they want(assuming it exists) 4) uninstall the bundled driver 5) install the new one
If something isn't easily fixable for 99% of computer users its broken because they don't even know where to start.
The same thing is wrong with the backup solutions microsoft has. They are all either 1) are too heavy weight and brittle or 2) do nothing useful. People aren't going to take the time to go install third party full system backup software when it isn't clear it will even work for them and they don't know how it will work when they need to recover something. It is just another thing they have to manage on their computer.
Compare that to Time Machine. It usually just works, and when it doesn't it is better than nothing. Plus people understand exactly how it works. Lost something? Go Star Wars! Simple and effective.