Of all the almost-correct-but-actually-harmful things Colbert has said, this is easily ranks among the most harmful ones. It's the worst sort of wannabe-aphorism: it simultaneously obscures an incredibly interesting line of thought, increases political division, and means very very different things to different people.
Colbert meant "liberal media is more reflective of reality than conservative media", but because that's not pithy, it's truncated into the openly deceptive "reality has a liberal bias". The minor political difference the average Californian has from someone who lives in Texas does not engender them with a more accurate view of reality. Believing that is a core reason said Texan probably dislikes said Californian. In reality: they're both moderate "Liberals" who probably agree on almost everything, given a mature enough definition of "liberalism".
People forget that Colbert said this at the White House correspondents' dinner to the Bush Administration, and that it was specifically an in-character "conservative" parody dismissing Bush's low approval ratings as liberal media bias. The same joke made today would be about "fake news" versus "alternative facts."
Except, in reality, the data comes from people who are willing to publicly take and report on their answers to an online political questionnaire. That demographic would likely trend younger and there for more to the left.
Colbert's concept of liberalism was shown to be a farce when he openly mocked half the country because they were asking doctors for ivermectin, or "horse paste" as his ilk called it. A medicine the FDA as of today admits can be a treatment for COVID. The reason he did this? To fall in line with the establishment on Pfizer's grift. If the FDA et al. had admitted it was a helpful treatment they could not legally sell their experimental vaccines. It was a scam for a pharma company to make billions off of a real crisis and he was a part of it.
This is the problem with these types of pharma-government conspiracies.
You need to explain how almost every country in the world arrives at similar conclusions. Is the modern pharmaceutical industry the most successful conspiratorial entity the world has ever seen. Able to bend governments of every persuasion. Or maybe the conspiracy theories are simply wrong.
Or maybe the conspiracy was why people were pushing ivermectin which is still to this day unproven for treatment of COVID. Maybe it was the ivermectin vendors ?
I feel like you might be helping to make Colbert's perhaps clumsily worded point. Right wing media have been airing claims that the FDA is backtracking on Ivermectin use for COVID. This is demonstrably not true. [1]
