To be fair, there are lots of efforts to change it. But (being pretty harsh here) a significant number of math teachers really don't have the ability to understand math themselves, let alone teach it.
Sort of a perl "there is more than one way to do it" vs a python "there should only be one way to do it". Nothing inherently wrong with either other than if you and your educational system philosophically disagree, its going to go extremely badly for you.
“Proofs are to mathematics what spelling (or even calligraphy) is to poetry. Mathematical works do consist of proofs, just as poems do consist of characters.”
Arts -> Social Sciences -> Life Sciences -> Physical Sciences -> Mathematics -> Arts
Mathematics was/is a very creative process for me.
[1]: http://mysite.science.uottawa.ca/mnewman/LockhartsLament.pdf
Proofs are at the heart of math. Everything else is something different.