This. I also think the travel situation may put some people off renewing next season. Every time the travel is mentioned, some smug people start talking about how "easy it is for them". There is a problem, and a lot of posters on here do not understand what it is to not be a die hard fan of the Albion but to have bought a season ticket. These people are going to be thinking "I can't be bothered to queue like this to get home".As I understand it the theory goes as follows:
If you have more demand for match day tickets than seats then people are more likely to buy season tickets to assure themselves of a seat when/if they want to go. Looks like this is the case at the moment.
However, if you add 8,000 more seats, we're unlikely to sell out for all but the biggest games. So people who bought season tickets purely to ensure a seat for matches they fancied may not then renew because they are confident they can get a seat for any game they fancy.
So the effect of adding more seats could easilybe that season ticket sales fall.
As for the missing 10%. The above could be part of that - you can see how a less than die-hard fan could miss two or three games a season - and that gives us the missing 10% immediately. Different people, perfectly valid reasons, niot passing on their ticket. 10% seats empty.
I think extending the ground now could well be a mistake. Even at the Goldstone in the old First Division, our crowds weren't that much different to now - lower even, after the novelty had worn off. With 30,000, it'll so easy to get tickets, people will start picking and choosing, which itself could make the attendance fall. They need to think carefully about this, not just get carried away with the current euphoria.