Scientists solve long-standing mystery surrounding the moon's 'lopsided' geology

Only if you're traveling fast relative to walking speed. You can still generally navigate by direction in the area, and it looks like it covers such a large area that in EG a 5 mile by 5 mile area you could still reliably set your declination and navigate with minimal error. The field lines seem to change direction in an arc the size of South Africa, for example. But it just means that if you're westerly or easterly in South Africa you need to be very cautious to set the declination on your compass and not assume it varies little, like you can in the Pacific Northwest.

And generally if you're using the whiskey compass, something is wrong, because most aircraft besides the most basic of VFR bugsmashers have other devices as a primary heading reference, be it a simple gyrocompass on a Cessna 172 or a full GPS-enabled strapdown inertial navigation system on a jet aircraft.

I'm going to assume when you say not very impactful to humanity that you mean in a physical sense that it doesn't significantly change our environment directly because of it.

Certainly has had an impact on humanity in a cultural sense.

That aside, I think it can be a serious scientific question as well.

i.e. Is there a scientific explanation for the fact that the ratio between the diameter of the Sun and Moon are the same as the ratio between their distances to Earth such that they look almost exactly the same size to us?

We can of course say it's coincidence -- and that may be the case, but if we use "coincidence" to explain away anything we can't readily explain (instead of trying to find answers), there'd there'd be no scientific progress at all.

Ideally, the model of how the Moon formed _should_ give an explanation to that. If that turns out to require (for example) the existence of ancient space aliens fine tuning parameters in our solar system, well, IMHO people can decide for themselves whether they think this is more likely, or the fact that the ratios of the celestial objects fit just perfectly.

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Btw, slight nit with your logic -- if solar eclipses are impactful for humanity's survival, one can invoke the anthropic principle to explain why it's a necessity in an environment that gave rise to humans. But it seems they're not impactful, so in that way, it seems that the possibility of a creator is relatively increased.

It still over-covers it sometimes. Eventually it never will.