Personally, I don't find a distinction between teaching creationism as fact and teaching evolution as fact. By this, I'm just simply saying that both are teaching something we believe on faith as fact. We can trust that evolution is true, based on evidence, just as we trust that we will wake up tomorrow morning. I'm all for teaching evolution over creationism in schools, only because it has the greater amount of scientific evidence to support it, and so it's the model upon what most legitimate scientists in the field would base their conclusions. If you like the idea of a "tweaking of a lens," sure. But does absolute clarity exist, at least by limited human capacity?
I respectfully disagree. I didn't want to wade further into this debate but I think it's an important and fascinating subject for those that understand well enough to understand they don't know everything. But we DO know some things. Such as Evolution being a fact. With that said, Evolution and the idea of a Creator do not have to be mutually exclusive. So because of all the rest, I don't see any kind of philosophical argument on these grounds.
You don't need faith, at all, of any kind, to understand the science of Evolution. All you need is objective data and evidence to put through the rigors of examination. Creationism has none of that. For over a century every creationist scientist that has ever lived has probably sought to shoot holes in Evolution. And all that keeps happening, even with 21st century technology, is that we keep seeing that it is more and more and more true. Scientific theory moves precisely where the evidence tells it to go. Whereas creationism seeks out a specific end result. They are not remotely comparable in this sense.
Also, Evolution has a "greater amount of scientific evidence to support it", relative to creationism, much in the same way Earth has a greater amount of scientific evidence of humans as compared to Mars or anywhere else.
And I am not saying this as some snarky staunch atheist or (worse) an anti-theist. I am content to be firmly agnostic. Although not agnostic towards anything concerning man-made religion. "God" if it exists, is likely something we simply cannot understand.
But with that said, Evolution is fact. This is not debatable unless you want to argue that we were tricked by the devil or something. Otherwise, it is the absolute truth. And when explained well, it is very easy to understand (even birds = dinosaurs). And it does not have to be at odds with creation or notions about "God" outside of believing the literal myths. Evolution (or any scientific theory) predicts things like transitional species and then scientists go out an dig in eons-old mudholes and find transitional fossils. It's not like they find them and then force-fit them into the idea. It's the same principle with the Higgs Boson, which was predicted...and then found decades later...and then the Big Bang was proved. And speaking of why would the Big Bang (existence from a single origin) be at odds with notions of a creator? It wouldn't.
Even if we discovered things about Evolution that we do not currently understand, there is still plenty of evidence that can't be refuted. In other words, if the Theory of Relativity were called into question by some incredible discovery at the quantum level (probably about gravity) and we had to re-write it in order to reconcile a Theory of Everything, it still likely wouldn't change our understanding of spacetime, for one. It would accommodate all the facts. Some of these facts will never change. They may look slightly different but they won't fundamentally change.
But speaking of, this subject is not the same as understanding (or not) the fabric of our reality. Hence, part of the reason I am agnostic.
It is a weird Universe. Dark matter, dark energy, holographic principle...the entire bizarre quantum world, M-theory (ELEVEN dimensions?)...it's fascinating and thought-provoking stuff. But human life on Earth? It's not really weird at all. Human behavior? Yes, it is weird. But not the biology. We understand most everything outside of certain DNA and brain function (AFAIK), and we are getting there fast on those grounds. With that said, consciousness is another factor. But consciousness and the...potential 'spirit world' (if you will), wouldn't have much of anything to do with Evolution.