A lot of the comments remind me of Idiocracy, which really struck a chord with me. In fact, after I digest it for a week or so I'm planning on watching it again, something I rarely do with films and have never actively planned until now. "Loelz he haz no lyfe!!1!1" and "Hiz g/f must b rly f4t n ugly roflolololz!!1!1" are really no different from how everyone's a "i love you" according to the idiots in the film. Keep in mind he owns businesses successful enough to drop all that money on a game which is only a hobby - 46 PCs & monitors didn't just grow on a tree out in his yard. And money attracts hot women, not fat ugly cows
The last vestiges of free thought and openmindedness are now gone. In today's world, anyone who isn't just like me is a stupid idiot i love you with no girlfriend (but a promiscuous mother), and whatever they like to do should probably be made illegal for good measure. It's abysmally depressing.
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As for the logistics of playing multiple characters, I think it's quite an accomplishment. My experience is limited to using my friend's rogue to run my alts through instances in WoW, and boxing a second character in EQ. In both cases I used the same PC and just alt-tabbed.
It was much easier in EQ, where the primitive combat system pretty much limited you to autoattack and you rarely had to fight more than one mob at a time in most situations.
In WoW, with many dungeons having 4-6pulls, I've found it difficult. Just last night I died twice in Maraudon, running my 49 priest through. It didn't help that my buddy's rogue is only 60, as he hasn't played in a while. But still, I died because I had trouble dealing with the number of mobs, the kill order and making sure the rogue had sufficient aggro on each mob to start healing him. And that's only two characters.
I have my doubts about actually raiding with just a handful of real live players, but perhaps with enough use of macros and separate PCs rather than having to alt-tab, it's possible.