I hadn't thought of the evolutionary benefits before but this makes a lot of sense. Related to this, I have noticed that I really like efficiency for sake of efficiency, which is probably a trait many other tech people share.
As a silly example, I was hiking at night recently and my headlamp had gotten a little dull because the batteries were starting to get low. Even though I had a spare set, I didn't swap them out because the old ones still had hours of power left, albeit at reduced output. The cost of a few batteries is trivial, but the thought of throwing them away while still useful bugged me more than the reduced light output. My partner thought I was crazy for this, and I don't disagree, but for whatever reason little efficiencies matter a lot to me.
Oh dear rurp, you don't want to get me started on that! ;-)
Your hiking example is a textbook page of my life, I do things like that all the time. Partner openly jokes that I'm crazy / weird / funny — all in good spirits, I concur that it's not exactly statistically average (i.e. 'normal') behavior. — "but why do you do this like that?", eyes usually roll before I even finish my elevator pitch; but every once in a while I catch her imitating. Good times, haha. Small victories, you know.
That being said,
I have a gazillion justifications for this. From ancient Zen and Stoicism (you guessed it) to modern scientific organization of work / tasks / labor, passing by cognitive science and physics and what-have-you.
It's. Just. More. Efficient. To. Be. Efficient!..
¯\_(ツ)_/¯
But it's also a delusion, to some degree (when you mistake the means for the ends I suppose, when it becomes a zero-sum rat race from a 3rd person perspective). Hence a healthy distance with the concept, I treat it as one parameter/rule of our universe — nature favors the efficient ones — but I've learned to just shrug at the general inefficiency of my civilization. Sometimes, I admit I'll even take pleasure and find beauty in a wildly inefficient thing that nonetheless passes the threshold of "it works", however barely. Politics, states, institutions feel like that to me: it should all collapse under its own weight and complexity, and yet it goes on... fascinating feat. It's like e.g. Windows (the biggest codebase in existence, at least as reported a few years ago, 50 million lines iirc?), you have to revel at the wonder that it even works.
My wife does pretty much everything in a way that simply blows my mind. Probably once a day, I start to mutter "But, why....?" Most of the time she just looks at me like I'm the broken one, meanwhile I swear it's her!
Packing for a trip is the worst. For me, it's hours of over-analysis and optimization. Packing everything into a minimal volume. Ensuring nothing unneeded makes it way into a bag. For her, it's grab an armful of {whatever}, toss it in a suitcase, and assume it'll all work out. And yet, we both love traveling and we're equally as likely to forget something.
As a silly example, I was hiking at night recently and my headlamp had gotten a little dull because the batteries were starting to get low. Even though I had a spare set, I didn't swap them out because the old ones still had hours of power left, albeit at reduced output. The cost of a few batteries is trivial, but the thought of throwing them away while still useful bugged me more than the reduced light output. My partner thought I was crazy for this, and I don't disagree, but for whatever reason little efficiencies matter a lot to me.