alt Hacker News> Why do we ever install anything
To be able to reproduce all the procedures reliably, constantly, and without an internet connection. At least it's a requirement for my job and some other industries. Also because it's good to be serious about your job, and because reproducible builds is a nice thing to do.
This is more reproducible than most things people come up with ad-hoc, it insists upon the hash of the thing it downloads.