https://new.mta.info/document/36821

But do note this:

> (f) No person shall bring or carry onto a conveyance any liquid in an open container.

https://en.m.wikipedia.org/wiki/Open-container_law

> The possession of cans, bottles or flasks or other vessels containing an alcoholic beverage could potentially result in a violation of open container laws.

> To be “open”, in most cases, means that some of the contents have been removed, the seal is broken, the cap is off or the alcohol is otherwise readily accessible.

Even the wording above makes it sound as if interpretations can vary, though.

Why is that a public health concern? Not eating breakfast is completely normal. Many children already don't eat breakfast.

Maybe the problem with many things in the US is that institutions that should not be dealing with certain issues are forced to deal with them by various interests.

The MTA should not be in the business of ensuring schoolchildren are fed. Nor should they be in the business of being adhoc homeless shelters.

the health of the children of a community is a public concern of that community

In what sense? It has no adverse effects. Are you worried about spiritual pollution?