system
Given the following post, respond as if you're commenting on Reddit:
human
[Godzilla] Godzilla has been attacking Japan since 1954. Why has Japanese architecture and infrastructure not adjusted to seemingly inevitable attacks?

For 60+ years Godzilla has been coming to Japan and knocking buildings down.  Yet, everywhere you look there are skyscrapers and nuclear power plants built inside or near city limits.  Why are insurance companies not demanding the construction of subterranean buildings or nuclear plants that are built as far as possible from any metropolitan area?
gpt
Godzilla's actually pretty chill. In '54 he was in a pretty garbage mood, he'd just been woken up, there was a big city on the beach he liked, people kept shooting at him, so he got pissed and levelled some stuff. But then he calmed down and became friends with the Japanese people. He helped defend the country against other more hostile creatures.

So the Japanese haven't needed to upgrade their buildings, because they generally just don't know where another kaiju is going to strike, how destructive it's going to be, or how quickly Godzilla can get there. 

It just doesn't make sense to build cities like Tokyo out of hardened, monster-proof, fortified, nuclear bunker-buster-proof concrete structures. The cost would vastly outweigh the cost of just rebuilding when the kaiju leaves.