I do not see it as a problem that Linux has made it to roughly 1% of the desktop. One percent of all desktops is still a huge number of machines, and apparently many people are happy with it. Transit vans are are a minute proportion of all cars sold, but that does not mean the Transit van is not considered a roaring success. The same could be said about Porsches and Ferraris. Seen like this there is no need to blame anyone.
It does of course pay to see if you can do better. In my book that means: Do not break APIs! If you need to change something, do it in the form of new functionality, but do not change old system calls, unless you are absolutely certain that there is no legacy code that needs it out there (not much chance of that, is there?). That at least is what we try to teach our students.
Linux is very good at certain things, for certain people. These people are neither superior or inferior to others, they just need, or like to use a different toolbox. End of story as far as I am concerned.