His politics have been remarkably consistent over time. He’s always been a slightly left-leaning, anti-war civil libertarian who is deeply suspicious of government, particularly the US government. He’s been posting lately about how Trump has been starting or expanding unjust wars and cracking down on press freedom. That’s hardly a “right-wing fringe” slant.
if he is slightly left leaning than Bernie is farthest of the far right US politicians
Since 2016, he's appeared repeatedly in conservative outlets (including pushing conspiracy theories about Ukraine), gotten fired for uncritically pushing unsubstantiated claims from the Trump campaign as journalism, hosted a video podcast giving a voice to folks like RFK Jr.
Other than speaking up against the surveillance state, he's been solidly aligned with conservative viewpoints.