What I learned at that moment is that IF you provide a good system running Linux and presenting the apps a user needs in a usable way, THEN the user doesn't really care whether it's Linux or whatever. Firefox and Thunderbird and Libre Office really are good enough (or better) for any "normal" user doing "normal" things.
I haven't converted his home system yet, only because he has a son who does support for him, so it's Not My Problem.
I have tried DD-WRT on some older routers (Linksys) in the past and although the features were there the reliability and dependability were just not there. I had to reset every few weeks and reconfigure. So when I saw Buffalo was using DD-WRT I decided to try it and I have been very happy.
Currently it is very difficult to publish negative results in science. Not all results are positive, yet all truth should be shared. Sharing negative results will help refine our collective knowledge and bring our ideas closer to the actuality of how the universe works. Each negative result, as well as each positive result, brings us closer to the truth.
It is not every question that deserves an answer. -- Publilius Syrus