Obviously we could build bigger if we wanted. I literally work in one of the biggest buildings in the US by volume and it is impressive on a daily basis. But just because I know we are capable of more doesn’t mean the accomplishment of actually doing the world and constructing the pyramids isn’t amazing. Besides the pantheon, what other ancient or modern projects measure up?
The pyramid of Cholula (larger by volume), the Luxor hotel (smaller, but substantially more useful), and Ryugyong hotel (hobbled by the country building it) are all plausibly comparable projects.
Why are you impressed by unusable volume? Do spoil tips awe you?
If you set a 12,600 tonnes concrete cylinder in the middle of a city, eventually someone will give up trying to remove it and turn it into a historical monument instead: https://en.m.wikipedia.org/wiki/Schwerbelastungsk%C3%B6rper
I'm not disputing the climate change part, I'm disputing the Atlantis part
That's definitely not true. They didn't build pyramids of that size after the Old Kingdom, but they definitely had impressive engineering and crafts. The largest computer ever built was finished in 1963—why don't we build computers that large anymore? Because "largest computer" isn't a useful metric.
Your argument suffers from flawed logic by attempting to directly equate the construction of a physical structure with that of a computer. Moreover, the greatness of the Great Pyramids of Giza cannot be solely attributed to their size; they possess other notable aspects as well.
part of it is that its hard for many to believe that civilization can regress for very long periods of time. They were the tallest man-made structures for 3800 years. The engineering and quality of construction was mostly unmatched throughout that duration.
Another issue is that 'scientists' refused to acknowledge that Egypt and most of Northern Africa was lush and green for some time. The people claimed the gods pulled the sun accross the sky and changed the climate. 'scientits' were like "wow you are so stupid, it doesnt work like that, it was never green and you killed what ever green there was by over farming". Turns out, it was a change in Earths tilt.
going along with that theme, we tend to ignore what we are told. The egyptians left depictions of how they did it, by rolling the blocks on large logs and throwing water in front of them, and they left notebooks describing how they sourced the blocks and shiped them down the nile on the river. turns out, after 4000 years, we still don't read the f'ing documentation.