If you write a sentence per hour and a sentence per second, they will have different quality levels.
If you write a sentence per hour and a sentence per second, they will have different quality levels.
Either way, in the absence of very compelling counter evidence, I'll defer to the expert opinion of the author on how their brain works
Edit: the other salient concept which comes to mind is Marshall McLuhan's idea that "the medium is the message." McLuhan definitely believed that if you go and say something over broadcast media vs e.g. printed matter, what you say comes out very differently. Both the content and interpretation are influenced by the medium. He would probably agree there is a difference between typing and handwriting, too.
Edit2: there's at least one study which has found that handwriting engages more of the brain than typing does: https://www.ctvnews.ca/health/new-study-suggests-handwriting...
It isn't something you have to do, but then it's clearly not something you do.