For
It respects different diets and health needs.
Against
It limits freedom for traditional or niche restaurants.
Anonymous excerpts, translated where noted.
“Any respectable restaurant these days has a vegetarian option.”
“Just salads and no proper protein for 7 days will likely make me sick.”
“The limited customer pool doesn’t justify having to order a separate pool of ingredients that may or may not be used before going bad.”
“Not an expectation. Maybe don't go to a restaurant if there's nothing there you want to eat.”