It's obviously not 100% accurate, just a nice thing to refer to.
Not sure how inflation is irrelevant to hard-ticket pricing? Should still be taken into consideration.
What causes the hard-ticket price to inflate? It's not more offerings. It's not labor costs, those are baked into normal ticket prices which do not drop just because there are fewer hours on a party day. Candy prices have increased so much that they've had to raise average ticket prices $65/ticket in 6 years?