I'm not sure the core fan base has the right to much of a say. In an ideal world, obviously, you don't want to sell to a developer that is going to strip your assets and destroy the club.
In this case, however, there has only ever been one option. Unless a sympathetic benefactor suddenly crawls out the woodwork, we don't have many alternatives. I would like there to be a consultation with Society members, but I doubt we can have that much influence over the final details. The ball is in Les' court and while I don't think he has any intention to harm the club in any way, he literally owns us.
The point about crowds reducing and income revenues constrained is another argument in favour of Society ownership and our new approach to budgeting. As much as people like to complain (myself included) about the Society, it has provided essential loans to the club on multiple occasions since it was founded.