I think the difficulty that BACon faced (and Flybe might have faced) is that "once a day" routes with no onward connections are pretty duff for business users. Aside from the fact I won't fly FR (with the exception of BRS-DUB), I definitely wouldn't want to be dumped, unreliably, in Hahn in preference to a reasonably reliable journey to a well connected airport like LHR. And a lounge at both ends of the journey.
I fear that, unless the Route Development team secure a full service operator to take over some of these routes, Bristol is going to slide towards being a loco airport, with all of what that entails. Maybe it's going that way already? Giving up gate space for retail, closing the frequent fliers programme, spartan/crowded gate areas (yes, I'm thinking of the Bus Gates 8A...).
What are the options now for a business traveller wanting to start a journey at Bristol (and not do a once-a-day-trip with EZY)? KLM? SN? CO? It's not an impressive lineup.