as americans shouldn't we all want the same things regardless of race, ethnicity or any other form of "identity"? so in theory these things should not matter, should they?
That's one of those ideas that sounds really good, in theory, until you look at reality where people in California unironically want to secede from the US (or Texas in '08).
The parties are interested in dividing us up into voting blocks so they can selectively cater to, ignore, and pit them against each other at their own discretion.