I think some programmers want to carefully select a type specialized data structure, and others just bury the problem under a pile of array iteration.
And to hell with compile time. If the build takes 10x as long but we run 5% fewer prod servers, that pays for itself in minutes. And if type and nullability checking prevents one prod outage, that saves more time and stress than every build I've waited for this year.
I often don’t understand the Go teams obsession with compile times, but I’ve never worked on large Java or C++ code based that take forever to compile. I mostly want them to optimize for runtime performance even at the expense of compile time, but this does not seem popular with the core team.
And to hell with compile time. If the build takes 10x as long but we run 5% fewer prod servers, that pays for itself in minutes. And if type and nullability checking prevents one prod outage, that saves more time and stress than every build I've waited for this year.