Seems like a lot of people have been saying it's impossible to get good waiting scores. But I find if you just take their orders as soon as they come in, you still can get in the 90s if you're fast. :)
So apparently to get the "Totally Worth It" medal, you have to sit through a couple minutes of someone gushing about sheep in the premium content... it WAS totally worth it!
 "Papa's Pizzeria"){kind=icon}
 "Upgrade Complete 2"){kind=icon}