To be perfectly candid, I believe I understand the dilemma this presents to the mfgr. But I am surprised and disappointed that none have said this. The mgfrs need the LDSs to support the current scuba retail business model. Permitting internet sales is perceived as a detraction from LDS opportunities. Allowing repair parts to be sold, uncontrolled, on an open market would make us DIYer very happy. For the most part, the LDS has already lost our service business so it might even be a small boost to thier bottom line from us as they get to collect the 100 to 200% markup and maybe even a new and useful C-card. And the inept DIYer, who has completed all the necessary releases to protect the businesses, won't just be buying service kits but maybe an occasional expensive part when he drops his piston or scratches a seating surface resulting in a steady slow leak. Life threatening errors are not impossible but most will involve torque. To little or too much can both be a problem and, unfortunately, can happen at the flow bench or the kitchen table. But a potential problem, IMHO, is when the DIYer decides he is good enough to become a shade tree scuba tech. A good little scuba repair business, on the side, might make a nice hobby but may also take a couple thousand away from LDS profits. OTOH, a little health competition in this area may help Darwin improve another aspect of scuba retail & service.
So what can the mfgr do to help keep good LDSs in business if he decides to end the restricted access to repair parts? Would legal agreements work? Is anything necessary or will the good LDSs prevail just because of their advantage in parts costs and service quality? Are the "authorized" MO service facilities doing Darwins work providing quality, reasonably priced services?