I don't think such an idea would be very expensive, just the purchase of an additional piece of equipment in the offices
1) $ for that "additional equipment" - and as we all know, Verizon is really cheap 2) customers with multiple SD STBs@4.99/ea. would return them all (except for one box, just to continue to receive all channels) and use the free adapters instead - at least, that's what I'd do