Another straight-forward but non-obvious reason, depending on your industry: Because the computer we would run it on is not connected to the internet. From go

Another straight-forward but non-obvious reason, depending on your industry: Because the computer we would run it on is not connected to the internet. From google docs to numerous npm-things, there's myriad software I was unable to run at a digital forensics shop. And of course the opposite is true: we were always thankful for software who's authors had taken the time to make work offline.