While BOH does struggle with regard to business route mainly down to its location and SOU up the road I think it is more the fact that they often haven't had much of a chance. If KLM weren't linked up with Flybe I'd say they may give BOH a try and I would think 2-3 Daily on an F70 isn't too out of reach with a slowly improving economy. Similar could be said for DUB considering said economy and also EI's expanded range of connection's across the Atlantic.
You seem to hold a large grudge against BOH Rivet Joint, any particular reason for this? It may be less successful than SOU on the passenger side of things but its certainly far from the hopeless remote airstrip you make it out to be.