Yeah without the Tuesday nights and the other evening activities I think it would have closed earlier as well.
In my opinion what they didn't do is marketing the crap out of it and engage with the local community, schools etc - get the kids down there and I wonder how many Dads would have shown a possible interest?
One thing that I think holds alot of people back (and I guess it is the same of the Bell Ringing community
) is the start-up cost. Karting could have pulled people in, with some kind of regular club plus Scalextric could have pulled a number in too - and lets face it they did have enough staff to over see everything rather than just sitting behind a reception desk!!