$2.6MM 2017 combined revenue of both locations
up to 30% Per store net profit margin
up to $20,000 Average party revenue per weekend per location
$40 Average check or revenue per dining family
up to 18,000 Visitors per location per month
~6,000 sq ft Size of each location
"$20,000 Average party revenue per weekend per location" explains the "up to 30% profit margin". 15% for a restaurant is kicking ^$$.
No doubt the extravagant birthday parties are the payola.
First Amendment Rights do not cover deliberately making false statements.