I've also seen how businesses do not like it if there's a person at a table ordering nothing while their buddies booze it up at high margins. That person gets

I've also seen how businesses do not like it if there's a person at a table ordering nothing while their buddies booze it up at high margins. That person gets treated poorly by waitstaff for not making any money or tips, even though their buddies wouldn't be able to drink nearly so much otherwise.