[roguecoder]

For an alternative perspective, I recommend the business book The Captain Class.

If you aren't making your teammates better, and they aren't making you better, you will never be able to be as good as a team that is greater than the sum of its parts. Individual genius is consistently beat by professional collaboration.

[sexyman48]

Consistently? You don't know that. There are just as many successful one-man shows -- with the important caveat that they lack redundancy.