The state of a developer’s workstation can very easily be summarized as “works on my machine” - something different is installed or configured differently and I don’t know what or how it got that way. Every machine is personal. Some try to minimize this by using Ansible or Chef to create the ability to spin up their environment cleanly. However at the end of the day, we’re developers, sometimes we need to just try something and see what happens. Sometimes trying new things creates a mess that never really gets swept up.