Having just copleted the excellent Woodcraft School instructor's course, I'm shooting myself in the foot here.
I agree that bushcraft is all about independence, freedom to do what you will in the woods and so on but where instructors and companies supplying tuition can help is in developing a keener sense of preserving the woods in which we play. With ever increasing numbers of us all wanting to live that bushcraft dream and with less and less readily accessible woodland available for us to pursue our activity, it is increasingly important that we look after the assets that we do have so that they are there for the future.
Everyone enjoys a fire, making a shelter, having a brew in the woods, spending a few nights there but all this has an impact. I am not suggesting that companies and/or professionals are the only people who can ensure the long term welfare of the woodlands but, with a burgeoning number of people going off to do courses and then launching themselves into the forests under their own steam, it is vital that some aspect of conservation and preservation is taught by 'schools' giving instruction on bushcraft.
I've drifted off the point somewhat. Should bushcraft go professional? No - that is the very antithesis of the activity. Should the various schools continue to do what they do? Yes, absolutely. The poor providers will soon go to the wall; in the meantime, the good ones should make sure the their conservation ethos is, as far as possible, faultless.