We can give them complimentary cinnamon and tide pods to go with their toilet licking.
Sending them into Grand Central station is probably asking for a World Ender event, but I don’t see as there is much of a choice on it since they likely won’t learn until they’re patient zero of the zombie apocalypse.
Well since you brought up NYC, as a former resident I was thinking The Port Authority Bus Station with its legions of contagions.
;>)