[Zippogriff]

To make things a bit more fair I'd definitely allow that plenty of business-types do get it, but I think enough don't that treating them all like they do before you know them fairly well is probably a bad move, career-wise, especially if you're not senior and important-enough to thrive despite pissing some of them off. Enough either don't understand or don't want honest estimating that the best you can really do is play the game wisely and hope it goes OK, until/unless you develop a rapport with a "good" one. I'd further admit that being one of the "good" ones may not actually be that useful in a business-type, overall, especially so far as their personal career prospects. They're just... to be approached differently.