That's why you use good tools. You select a region of code then reindent the entire region, right? Not line by line? You refactor a variable name in all places with one command, not individually.
It's possible that typing is a bottleneck, but I bet if you calculated your actual keystrokes, you'd find that it's very few words per minute.
You don't type most of the time, but once you identify a few lines that need to be written or rewritten, it's useful to be able to at least type without conscious thought, so you can keep focus on the high level structure.
It's possible that typing is a bottleneck, but I bet if you calculated your actual keystrokes, you'd find that it's very few words per minute.