I don't even think it's immature--I know some people perceive it as a thing only kids do, but if you ask me it's too useful for the exact reasons you laid out to not use. I also sometimes use all caps or hyperbole in text, more so than in regular conversation, to convey that humor is the intent.
I don't even think it's immature--I know some people perceive it as a thing only kids do, but if you ask me it's too useful for the exact reasons you laid out to not use. I also sometimes use all caps or hyperbole in text, more so than in regular conversation, to convey that humor is the intent.