perhapss
Headphoneus Supremus
There are many individuals who overcome their handicaps to do great things, you can't really extrapolate the difficulty of something from that, rather it makes those individuals more amazing.
Of course. I SALUTE THEM!!!!
EDIT: I intitally hesitated to add this point because it may be seen as a personal attack but please do not take it that way. It is more a rhetorical point or general observation on my part. Your point which I`ve quoted here is indeed a profound one IMO. On the other hand, The opposite can also occur. I`ve observed many people carry on about the difficulty of something or another simply because they themselves aren`t up to the task.