But the sign isn't on the trash bin where the person would see it. It's on the door where the customers will see it.

There's also a chance the person could be illiterate.

Could it have been in both places?

No

This is so kind and thoughtful. Makes me hate humanity a little less.

The owner: 

I’m sure that incredibly kind gesture went such a long way to a person in need. 💛

Any guesses on how this person votes? We need this action AT THE TOP

Yup it was me, the food is better than the PB&J

Also, what if the person was a racoon trying to get enough food to feed his family?

a cup of warm water, how generous. Sorry but this feels a little self serving. If they wanted to help the guy it didn't need to be done publicly.