Sure, we're all biased by our own experiences, but I've found this to be blatantly false in the biological sciences. Microsoft Word dominates, if only for its comment and change tracking and ease-of-use.
I'd love to use latex, but very few of my collaborators even know the syntax. I think latex predominantly rules in physics, math, and perhaps some engineering fields (but certainly not BME). Definitely not all of academia.
(As an aside, I have a hard time not pronouncing the name as Authorrhea).