Perhaps Ubuntu is getting more and more popular, so lots of new naive users having lots of trouble upon migration from Windows but not many experienced ones out there to help them out. Perhaps when these new users will gain more experience there will be even more new users and the trend will continue. Because of Ubuntu becoming the market leader all new Linux distros are also Ubuntu based. A prominent example is Elementary OS.

and how to become canonical employee?

how to become SE employee?

stackoverflow.com/questions/3403938/…, howtogeek.com/139287/the-great-debate-is-it-linux-or-gnulinu‌​x, somewhere I even read that windows is not an OS in true sense, it is just GUI with OS as after thought, and UNIX is an OS with GUI s an after thought