No, from my experience it wouldn't be fair to say that.
There is a reason why migration projects are yearlong, multi million projects. Go through one, ideally multiple, of those first before looking at automating any of that. Added benefit, jobs at those projects pay incredibly well for the functional consultants involved. And when, when not if, automation doesn't work out, you still don't have to worry about a job ever again.
You'd probably start with a human in the loop solution but mapping should be a solvable problem