No.

"Optimization pressure" makes it sound as if there is a single metric for optimization, whereas there are a constantly shifting set of different metrics. Worse (or more precisely, more complex) there are frequently multiple different "solutions" for a given metric, and evolution doesn't care. Put a little differently, there is no "optimization" pressure at all: evolution is not attempting to optimize anything (*).

Trying to fit anthropomorphized design onto a process that is absolutely the opposite of that in every way (no intent, multiple outcomes, no optimization) just leads people to not think clearly about this sort of thing.

(*) no, not even "reproductive fitness" - rates of reproduction are subject to massive amounts of environmental "noise", to the degree that minor improvements in offspring survivability will often be invisible over anything other than the very long term. Further, the most desirable rates of reproduction will also vary over time, leading to what once may have appeared to be an improvement into a liability (and vice versa, of course).

▲

tialaramex 3 hours ago | parent | next [-]

Right. It's extremely unlikely that "unable to synthesize Vitamin C" would ever have actively been selected for. But it was also unlikely to be strongly selected against in any version of humans or their near ancestors which have access to basically any common food.

So, randomly this pathway is deleted in our species, but there won't be a satisfying "just so" explanation, it's just blind luck. I happen to think we should fix it, most people either don't care or believe we shouldn't.

	▲	fc417fc802 an hour ago \| parent [-]
		Framed in anthropomorphized terms this would look something like the goal of humans as a species is not the synthesis of vitamin C but rather mere survival. Walking a path where we come to depend on external sources is not necessarily at odds with that. Or more generally: Why did I do that specific thing? No particular reason, it just happened to work. After all, I managed not to fall off the platform for another few seconds. No telling what the future will bring. As long as we're thinking about anthropomorphization it's amusing to note that vitamin C synthesis can be framed as a species level tragedy of the commons. In that case you are simply advocating that we as a species make the responsible choice not to participate in a race to the bottom!

▲

fc417fc802 an hour ago | parent | prev [-]

You're being overly literal. It's not "trying to fit anthropomorphized design onto a process" but rather "using anthropomorphization as a descriptive tool". This situation is not unlike when someone takes issue with an analogy due to erroneously interpreting it as a direct comparison.

> here are frequently multiple different "solutions" for a given metric

So too are there multiple different options when working towards any nontrivial goal in the real world. In the context of stochastic optimization the multi-armed bandit problem is a rather well known concept.

> evolution is not attempting to optimize anything

For the purpose of communication (of some other idea) it could be reasonable to say that the human race merely wants survival first and foremost. That is what evolution is after, at least in a sense. Of course that is not technically correct. Pointing out technical inconsistencies isn't going to convince me that I'm in the wrong here because I've already explicitly acknowledged their presence and explained why as far as I'm concerned objecting to them is simply missing the point.

Switching to a technical angle, to claim that evolution is not optimizing is to claim that water doesn't flow downhill but rather molecules just happen to vibrate and move around at random. It's completely ignoring the broader context. Evolution happens at a species level. It's an abstract concept inherently tied to other abstract concepts such as optimization and survival.

	▲	PaulDavisThe1st an hour ago \| parent [-]
		and you are missing my point that trying to help people understand a process that has no design element as if it was one that did actually does them (and the process) a disservice, possibly a great disservice.