Well, then I'm afraid you're like the people who think YouTube is all cat videos. There are lots of uses for Twitter that have nothing to do with celebrity or vanity.
Like what?
Customer service? Have a phone for that.
Alerts? Most places push to their app or phone/SMS me.
Vapid ramblings from celebs? Ok got that but I don't care what they think. Their job is to entertain not anything else.
Distributing news? LOL.
Still have no idea what Twitter is good for. YouTube has tons of uses besides cat videos. It's easy to see that. Twitter? Not so much.