It’d be nice if it asked if it’s ok to remove old versions of dependencies when installing a new package. It’d also be nice for it to not upgrade, say, wireshark and nginx when installing, say, ffmpeg, without asking first.
`HOMEBREW_NO_INSTALL_CLEANUP` used to be the default. Many users complained about how much space Homebrew used, and were shocked by how much they saved by doing `brew cleanup`, so now it’s done by default.
