This just seems like an everything and the kitchen sink list. I am not convinced supporting every possible use case leads to an approachable/efficient language. It seems akin to arguing my car should also be a boat and an airplane.
>(plus libraries)
So some of this would belong as a language feature and other stuff would be in the standard library (is what I'm imagining at least).
I'm a Cocoa guy, and when a lot of people rave about Objective-C, they usually are referring to niceties Cocoa provides. This is sort of what I was imagining as I read along.
3 / 2 == 1
import decimal
import fractions