Rosie O’Donnell takes shots at archrival Trump during ‘Jimmy Kimmel Live!’ hosting stint: ‘Hi, I know you’re watching’

Rosie O'Donnell filling in for Jimmy Kimmel and using the mic to take swings at Trump is not exactly breaking news. These two have been at each other's throats since Trump had a full head of dark hair and a reality show, and there's a certain comfort in watching them still going at it, like an old married couple who never got the divorce finalized. "Hi, I know you're watching" is a pretty good line, we'll give her that.

But step back for a second. This is late night television, supposedly a place for jokes, handing its stage to someone whose entire pitch is a two-decade personal feud with a sitting president. Kimmel already leans hard one direction most nights. Bringing in O'Donnell to guest host isn't balance, it's doubling down on the same audience that already agrees with every punchline before it lands.

The bigger issue is what this says about the state of late night generally. Networks keep wondering why ratings are cratering and younger viewers have wandered off to podcasts and YouTube. Then they book a guest host whose main credential is a grudge, aimed at exactly one political target, for exactly one built-in audience. It's not brave. It's not even really comedy at this point. It's a rerun of a feud nobody outside a certain zip code particularly cares about anymore, dressed up as must-watch TV.

None of this will bother Trump much. He's been living rent-free in Rosie's head for twenty years and seems to enjoy it. The people it should bother are the executives still pretending this format has broad appeal.