There's a lot of good advice and insights in this thread. You have good reason for feeling this way, and all of the paths people have suggested - ways to move on and stay in tech; how to leave tech entirely; how to make it a hobby instead of a job; or some other middle ground - are valid ways to address this problem.
But, I may suggest an additional option: do something about it. Build a business that eschews VC culture, or become a VC who doesn't fit in among their blood-sucking peers. Run for office, and use those resources to address these problems. Teach other how to avoid these mistakes. You may have found your big problem to solve - put that engineering intellect towards deliberately, systematically solving the problems which burned you. That problem-solving attitude you learned for writing programs can be applied to other problems, too.
This is the most difficult solution to your feelings, and no one would fault you for taking any of the other paths suggested in this thread. But, if you're up for it, you could make a real impact and I think you would find it very rewarding.
Thank you, I will consider it. I wonder what subset of these problems can be solved, and what subset is a fixed property of the human experience. I don't know yet. This is a massive problem, and a business is likely not the right vehicle to solve it. Political office might be, but everyone (myself included) seems disillusioned with that too. I'll think about it.
There are no fixed properties of the human experience. This mortal coil is whatever we make of it.