Perhaps it's some effect of the place. We still don't know much at all, after all, and some of the technology certainly is strange. There could be some sort of interference created by something. [Yes. Electric sheep.] Some may simply not have the knack for it. It could simply be another skill like any others. There's plenty who would love to play a musical instrument, for example, but no matter how hard they try they just can never quite get it.

Shall I leave your name on it as well?