But how do people look past our constitution in all this? A well regulated militia, were are those?

How do they look past the constitution Very Easily.
Remember this mindset "they" have is the same one that staunchly defends burning an American flag. However burn a mexican flag and you become a racist. That is how their mind works.
It's ok for me but Fvk You nothing more, nothing less.
Never argue with emotion, their shrill voices drown out reason.