Not really useful due to the commoness of tin, but will of course help newbies and farms that rely on tin cans

Having empty tin cans back is useless tbh, because the food/fertilizers are meant to be entirely consumable items. Also it would be such a pain to redesign the whole process, just to get a Tin Can back (this includes both machines that create tin can-related items, and the ones that consume tin can-related items).

For people who don't do a lot of sf its annoying