I am also an engineer.
I am also an engineer.
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There are actually videos from the ISS showing earth surface zooming by underneath (but I think it's because of their orbit speed, not rotation). If you open one of those twice, align them, then play them, one with slight delay, you can cross-eye watch them to see the globe in 3D, because the second image has earth rotated slightly further on a slightly different angle.
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Not only videos, there's a fucking livestream from the ISS.
https://www.youtube.com/live/wG4YaEcNlb0
It's conveniently not showing video right not due to signal loss when I'm making this comment.
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The tech isn't "lost" as in we don't know how to do it. The tech is "lost" in the sense that we spent billions building giant single use rockets, then shut down the factories to move on to other projects.
If we wanted to turn around and build the exact same thing, we could. But all it would accomplish is sticking a couple people on the moon for a few days again. We already did that, and we don't want to waste the money it would take to repeat the stunt.
What we want is sticking people on the moon for a few months at a time, for a fraction of the cost. Which requires different tech and different rockets. We also want it safer, and more repeatable. None of those things can be done with the old equipment.
But if they accept your reasoning, they're stupid instead of special. Hard to talk someone into coming to terms with that.
Stupid is curable, special is chronic