[sunshowers]

> I remember even just running "hg" and no arguments being slow.

This was definitely a really big complaint. Python's just slow to start up, and last I checked Python 3 makes things even worse here.

Startup time really made me believe that the optimal language to write CLI tools is Rust.

[pimeys]

That and the great libraries Rust have for CLI apps. Really good stuff, and you can get productive quickly.