restaurants that are identified as an outbreak for food poisoning get immediately closed and investigated.
I’m not sure that’s accurate, though I’m willing to be shown I’m wrong. Certainly investigated, but I don’t think they always get closed.
Restaurants can get closed if they’re failing to meet health code standards, but I don’t think an identified contamination of an ingredient shutters an otherwise compliant restaurant.
Look at McDonald’s other restaurant, Chipotle, and the frequency with which they have to stop selling spinach because spinach suppliers have E. coli issues.
Roshar has to be depicted in anime. A high quality modern anime style, certainly, but it will not be done properly otherwise. The CGI bill for spren alone would be too high and they’d skip them.