It's like being sad that gravity isn't weaker on earth so we can jump really high. It's silly.

It's not silly at all, think of how many people have done amazing things for the future of humanity on the basis of "this sucks, it should be better". Identifying deficiencies and looking for ways to improve them is the ethos of building a product. I don't see why this concept should be excluded when it comes to human rationality, which in many ways, is an extension of education, which is a huge opportunity waiting to be tapped.

While it is true that we might increase the rationality of people via education, we are never going to be able to make people anywhere near completely rational. Anyone who would think otherwise has clearly not studied much cognitive psychology or neuroscience.

It's not even clear that fully rational humans would be a good thing. Great art, for instance, doesn't come from being rational. It comes from people with irrational drive and vision.

You're in for a sad life.