None of those people are "off kilter" leaders. Just because you disagree with policies doesnt make them off kilter, it just means you disagree with their policies. There are plenty of Republicans who I disagree with their policies, but I still think are serious people and serious politicians. Gaetz, MTG, Boebert etc offer next to nothing other than making sure they are plastering themselves all over TV saying obnoxious shit.
I don’t like MTG or Gaetz but I think they’re actors. Crenshaw called them grifters and that’s probably accurate. They have a sect of people who want them to play loudmouth clowns and they oblige them.
The left’s “oddball” members are much more dangerous. They are career anti-Semites, radicals, socialists, and people who are openly advocating for policy that would be deeply harmful to the US. They’re serious about their positions too. Nancy Pelosi propped them up not too long ago for a front page photo op implying they run DNC policy.