It is not in CWL's control. It is the airline that states the time and in this case it was Loganair and not Flybe. The Airport has sent out the campaign and some are slating that it was supposed to be a top destination by vote.
Leisure and Business are two different markets and if using statistics from business servey then a business schedule is whats required.
Yes the times from BRS are better hence the reason i stated i bet a lot of passengers were still using the BRS services to ABZ as the daily rotation was poor for business passengers.