The ocean is this beautiful, unexplored place. Why on Earth everyone isn't down there, I don't know.
If you build a Model T and you can see the Camry, you don't spend time tinkering with the T; you go straight to the next thing. Once you build the Camry, you can see the Ferrari, so you go straight to that.
One time on a dive, I wound up drifting up in darkness surrounded by billions of photoluminescent creatures. It was a religious experience, one only a poet could do justice to.
I think the future of this planet depends on humans, not technology, and we already have the knowledge - we're kind of at the endgame with knowledge. But we're nowhere near the endgame when it comes to our perception. We still have one foot in the dark ages.
Pressure hulls collapse at the speed of sound. Once that starts, you're inside your own little imploding atomic bomb, and you're gone.