I agree actually. There are tons of mountains. Not many have human faces. That's impressive. It's obviously pretty hard to get someone to allow you to carve a mountain not to mention how hard it is to carve a statue in the first place.
Well umm... actually its sacred land to the native americans and the US government just did that anyway despite acknowledging it as indian land to this very day and repeatedly trying to buy it off them to give themselves retroactive approval. So less 'allowed to carve' and more like spraying graffiti on a church on an enormous scale.
Well being an atheist, I don't really concern myself with sweeping declarations of "spiritual dibs" on whole mountain ranges. I think it's just another way people use their religion/spiritually to restrict others.
What happened to their ancestors is done. Saying you have a particular attachment to a mountain that supercedes everyone else's attachment is bullshit.