Of course one tries to do that, that's exactly what the question is aimed at. :) How could education happen but through their own understanding?

It's easy when one is already at the meeting when such things are to be discussed. But what often happens in real life, is that a sales guy (an intermediary!) comes, and asks, "hey I have this client, he needs this and this, can you guys give a quote by tomorrow?" :)

Don't tell me such a thing never happened in your praxis. :)