Larry capital letters are also used for important emphasis
No, they tend to get you ignored. It's a signal that we'll be dealing with emotions, rather than facts and logic.
Don't yell.
I asked the obvious question a couple of weeks ago.
Have yet to get a credible answer from an adult :
Who decided that texting in all caps was "shouting," and thus "impolite?"
I've always assumed a group with mental issues, akin to the college children and their "Safe Place" meme...