A hamburger is a hamburger. A garden burger is a garden burger. These are two very different items--not even in the same ballpark.<quoted text>
All the benefits All the presumptions? All the protections? Everything the same? Uhhhhhhhh....not quite.
If you have two edible patties. Both have a similar brownish color, both are close in texture, and both even have grill marks. Obviously they must be hamburgers, they look like hamburgers, why they're even on buns with ketchup and mustard. Surprise! The one on the left is made from soy. The proof is in the pudding....uh burger.
We both know, evn though a veggie patty is called a "burger", its not, nor is "tofurkey", turkey. Appearences can be deceiving.
Marriage, whether it's between same-gender or opposite gender couples, is composed of human beings. You said as much yourself when you suggested that same-gender couples should have all of the rights and benefits of marriage, but call it civil unions.