You can make that assumption, but the other way to think about it is that time in the park is a scarce resource. The “clearing” price has to be higher or you have some other artificial way to get a ticket.

Your comment seems to imply that raising the price and then excluding people is a bad thing…when in reality it might actually make anyone who does attend have a better experience. Does this mean those who wish to attend might have to save more for the experience and thus make it less available as an annual trip? Probably. I’m not sure this is a bad thing and might actually make the trip to Disney all that more special.