one of the most advanced simulator-type games is built in a custom programming language/engine so shoddy that people struggle to maintain it, and yet every single attempt to replicate it in "better" languages/engines has so far failed. This game was originally built by 1 person.

(https://en.wikipedia.org/wiki/Space_Station_13)

Honestly, I think devs love to overanalyse tools as a form of procrastination. A poor carpenter blames his tools, after all.