> Go-to for correctly operating a dated tool deep in the bowels of the machine? Cog.
> Go-to for all questions related to the machine, its history, future, and all machines like it? Not cog.
The difference between these two is the people you work with. If people come to you to have their questions answered but can't execute on it properly then... you become #1. Of course this can be twisted around to theoretically be a you problem or it could be an endless churn of warm bodies coming through hiring.