A weirdly large portion of my job is explaining the internet to people who read my posts and email me with their problems in all-caps. I know a lot of my coworkers ignore these emails, but I NEVER do. I just can’t.
Which is why I answered this missive:
With this:
They’re always REALLY nice and grateful for the help:
And I agree with Dolores, there should be a way of getting rid of those people. Though I still don’t really understand how carpal tunnel necessitates typing in all-caps.
Liz Goodwin 
MY GUESS IS HOLDING THE SHIFT BUTTON DOWN HURTS HER FINGERS, AND SHE PREFERS ALL CAPS TO ALL LOWERCASE. I, HOWEVER, HAVE NO REASON FOR TYPING IN ALL CAPS.
-SETH