I think stonehenge was a drunk joke many years ago. No one would erect something so stupid looking seriously,.
Chevy Chase would beg to differ. :-)
1) It was jumbled pile of rocks which British antiquarians reassembled it in (IIRC)the 1800s.
2) Easy to say. You live in a world with steel and concrete and plywood. You don’t have to dig with a stick or shape rock with another rock or drag enormous slabs of rock for 50 or 60 miles.