To make any of these value for money they need to have capacity to host non sporting events.
Not sure what people were expecting the more kitchens, bathrooms etc the higher the cost
Not sure you get that at the current site especially if you only can keep the 2 Stands going forward
Would this site have been actually close to the airport though? How easy would it have been to get to this site? Would there have been a transport link to get there? You also would have wanted a much bigger stadium to get big events