Comment by jamesrcole

Some other reasons why speed can be good:

- You can only hold so many details in your head at once, and you can only sustain that collection for a limited duration. Holding those details there can be crucial for doing good work and the faster you work the more you make use of them.

- Doing good work often requires a lot of experimentation and iteration. In a number of circumstances this may only be practical if you can do them fast enough