Donie O'Sullivan, a CNN reporter who specialises in covering political extremism, observes that rhetoric once dismissed as fringe has become embedded in mainstream party politics as the 2026 midterms approach. His recent reporting spans both ends of the spectrum—from leftist commentator Hasan Piker to right-wing entrepreneur Mike Lindell—positioning him as a documentarian of how echo chambers and algorithmic platforms have fractured political discourse.

O'Sullivan argues against treating extremists across the spectrum as equivalent, noting that far-right figures like Nick Fuentes centre their messaging on open antisemitism, whilst far-left critics like Piker emphasise anti-Zionism whilst claiming to distinguish between Judaism and Israeli policy. He observes that both movements spring from genuine grievances about institutional failure and governmental dysfunction, amplified by trillion-dollar recommendation algorithms that reinforce isolation and extremity.