But surely adding these seats into the initial build will be far cheaper than trying to extend later. A much larger part of our income is prize money/tv money and hospitality. General Attendances only really matter to us fans and as an aesthetic for tv these days. So the cost of not selling these seats is negligible really.
and that's kind of the point. Why pay £20m to add those extra seats if nobody but the fans - who have bought the other seats - are the only ones who care anyway?
Build a 41,000 seater stadium and fill it every week at inflated prices makes much more financial (and purely financial) sense than building a 60,000 seater which is empty
I picked 41,000 seater because that's what Juventus built while still winning league titles and then going on to buy Cristiano Ronaldo. The Stadio del Alpi had a capacity of 69,000.