Using an iPad for work is kind of odd. If you mostly just need to do things like read, browse social media, and send emails you can use it like a tablet and then prop it up when you need to type. Or, on the opposite end of the spectrum, you can ssh into a "real" computer, prop up the iPad, and then use vim on a keyboard without needing to touch the iPad. There's this uncanny valley where if you need to do a mix of typing and touch navigation it's really awkward, but if you just need to do one or the other it's actually workable.

I mean I don't use one. The keyboards are awful and the system is ridiculously locked down when you start thinking about iOS as a desktop rather than a phone OS. But I can see how it would work for certain people.