You can live quite well with out being able to solve complex equations, but if you are living under communism/socialism what does it matter?
It’s a matter of choosing what element to fight Common Core on.
It’s easier and more effective to go after it for the math. Which is more definable/tangible and seen as causing a lot more headaches and pain by the kids and parents forced to deal with it.
Remember that Al Capone was taken down for tax evasion. Same principle at work. Fight on the math, get rid of it all.