The speed that I type is not related to the quality of my code. I think then type.
Software development is not purely technological discipline, we deal with socio-technological problems all the time. That means we need to consume and produce far more plain text rather than just code.
I mean sure, there are many facets to this and simply benchmarking and fretting about one's WPM won't magically make anyone a better programmer. But thinking it isn't important at all ain't right either.