Sorry. I guess where you learned English, it was just lower case.
It saves us time to not have to hit the “Shift” key while composing a post on the fly. Not all of us had stenographic jobs all our lives.
Do you know how silly the CAPS thing REALLY IS? Turn down the volume if it hurts your ears.
Geeezzzz...
Us? Who is "us"?
You and your Gerbil?
Does "Mr. Stinkywiggles" often help you type?