The (claimed) main reason was stadium development but yes the place was deserted during the last season and it was embarrassing to see riders on parade, waiving to empty terraces.
Park Avenue now have a ground and offered to share with the Bulls but the Bulls are intending to build their own much smaller stadium during their two year stay at Dewsbury, there are no plans for speedway in that.
No it wouldn't, this has been discussed repeatedly in the local press recently and the stadium is to be sold, if anyone has a few million quid spare it might be worth approaching the council, otherwise forget it.
Another two pointer isn't going to make a real difference, Bears are now in a position to try and bring on such a rider, their strength allows for it, very different from past seasons.