hehe, you're looking on it from your point of view. But there is also another one. Most of Locus users is in age 30 - 50. Rather older then younger.
You may guess how old I am (a hint: not younger than the range you mentioned)
And it's important to have quite simple system. GetSatisfaction is simple. Have a problem? Post a problem, have a question? post a question. Something new? You'll get email.
The only benefit compared to my favourite forum (yes, it really is!) I see is the email.
The users I see on GS are almost all quite experienced, on about the same level as here.
My guess is that the not experienced people don't write in a forum at all.
So we hired one young guy, that help us with preparing improved basics on wiki
Ah, I already wondered who is zdrazil