To add to net/http not being very competitive performance wise within Go's language peer group, the stdlib file system walking methods took liberties in baking

To add to net/http not being very competitive performance wise within Go's language peer group, the stdlib file system walking methods took liberties in baking in assumptions without escape hatches that nerf the performance unnecessarily for a lot of heavy-lift use cases. Go definitely has a few shortcomings in the otherwise fantastically useful stdlib.