about Linux criticism

I`ve stumbled yesterday on a Haker News headline about the prospects of mainstream Linux adoption:
http://www.compuforums.org/nix/6731-im-having-doubts-about-linux-mainstream-adoption.html
It was mainly a critique directed upon several aspects of Linux`s nature that were seen as impediments. First I said to myself that this was another idiotic post attacking Linux, but yet I`m beginning to wonder if there isn`t something to be considered about it. I`m interested in opinions, so please let me know.
...I posted this on several places, don`t behead me for that :( ...just post me at any of them.