Ken Rolston told Gamasutra what makes Bethesda unique about game designers:

Ken Rolston speaks to the strengths of Bethesda's game dev culture

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According to Rolston, Bethesda is unique among game devs in a variety of ways: it's an established studio with lots of long-time staffers, approachable tools, and a culture that champions fun over perfection.

"Bethsoft is about not making polish. And I don't mean that in any way negative; there's a level of jazz to what's going on, rather than classical music coming from a script. If it isn't clean but it's fun, we can understand it."

"And you have ownership!" Rolston later interjected. "You can break things and fix things very quickly, and then have somebody make them better. So when you own something that somebody can make a little bit better really quickly, you have that relationship with those people working with you."

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Thanks Farflame!