Dear Big Uncle,
I agree to an extent. It is important for teachers to help their students feel empowered and to develop and refine their own wisdom. Of course we can receive specific advice, and it is important to check our practice in dialogue with our Guru and other experienced practitioners, but complete deference can cripple the development of a students own wisdom. The outer Guru is an aspect of our own consciousness and the inner Guru must not be neglected in favor of excessive external dependence. This view is a part of the basis for a practitioner learning to make wise decisions.
Another contributing support to this is the fact that the Gurus ability to communicate is multifaceted, multidimensional, pervasive. It is not confined to meeting in person, emails, talking on the phone, or attendants conveying messages. The Gurus can and do communicate the direction of travel via dream, visions, insights, the conversation of strangers, bumper stickers, movies, music, atmospheres, the rustling of trees and so forth. When we understand the nature if mind and the pervasive nature of the Guru, our experience of life becomes a dialogue between us and the Guru, and we can check our experiences against the Dharma to make sure we're on track.
That said, I do agree it is very important to connect with experienced practitioners and check in with our Gurus via normal means, just as Je Pabonkhapa did his lamrim retreat then checked in with the Guru.
We have a refuge commitment to regard every image of a Buddha as a living Buddha. This is a nirmanikaya relationship with the Guru. There are other levels of operation. We come to feel that we are always in the presence of the Guru, and our dialogue then becomes much more profound. How lucky we are!