I use homebrew constantly but the only part I find slow is the custom installations of the software and the lack of downloading while installing? Neither of th

I use homebrew constantly but the only part I find slow is the custom installations of the software and the lack of downloading while installing? Neither of these is related to the implementation language. What part of the home brew experience do you find slow? eg... % time brew upgrade brew upgrade 0.75s user 0.16s system 68% cpu 1.337 total % time brew list brew list 0.01s user 0.02s system 57% cpu 0.054 total