New York Passes Marriage Equality

The basis is the same.
Lack of human rights.

A 600lb person eating because they are so fat it takes a lot of calories to sustain all of those cells in their massive body, and are thus hungry.
A 55lb person eating because they have been starved in a concentration camp, and are thus hungry.

I'd say the basis is the same, hunger. I'd still say they are obscenely different.