[sidlls]

That isolation is often as much self-imposed as not. While the GP may have been a bit aggressive in his/her characterization of it, I agree with the general thrust that developers tend to be both narrowly focused on their own technical work and prone to inflation of its worth.

[KSteffensen]

> prone to inflation of its worth

This issue is not limited to developers.

[sidlls]

Of course it isn't: most individuals tend to inflate their contributions' importance. There are matters of degree, though. My experience is that developers tend to overestimate more often and by larger amounts.