Earlier quoted context omitted.
Fun fact: the "compilation" step in my company's React project is the biggest consumer of CI minutes by far across our entire organization, beating out every one of the Maven compile and test loops But, since the devs don't care, there's only so much finger wagging I can do
Over the course of a month or two the time taken to compile a single .ts file in our codebase climbed from 'too small to measure' up to '7 seconds'. It eventually turned out that a single type definition in the file was causing all typechecks to become incredibly slow. Getting timing data out of build tools like rollup was brutal, and editors with tsc integration like vs code/sublime text would just lag and misbehave…
Devs from the past who wrote chunks of FORTRAN that sat on a "dusty 386 in the basement for 30 years" are still around, what do they think of the constantly evolving field/goalposts vs more traditional, slower release cadence of languages/frameworks/software in general (afaik; I wasn't around for it).