> typing faster takes discipline and effort.

  >> ***typing isn't the bottleneck***

  > The main benefit isn't so much "more output" so much as "reduced latency". e.g. It takes less time to type out queries that help you gather information.

While typing I'm doing other things in parallel.

Those other things are things that require you to scrutinize and look at each character. I think the vacuum analogy from the OP is quite apt here. It's much harder to debug other people's code and more so an LLMs.