Welcome back to "Doggerel," where I ramble on about words and phrases that are misused, abused, or just plain meaningless.
A lot of woos out there like to try to paint skeptics as being like flat Earthers: People who vigorously deny some new idea and cling to the ways of the old world or some crap like that. The problem with their characterization is that it's more like a description of woo: Relying on superficial observations for all their conclusions while rejecting all detailed, controlled, and just generally rigorous observations and experiments.
Take a moment to put aside your knowledge of the Earth's shape. Look around. The ground looks pretty flat, right? (Well, I live in East Texas, so it pretty much is, but you people who live in hilly/mountainous areas just go with it.) If you wander around for long distances, you don't feel any change in the direction "down" is. If you don't take any detailed measurements, it's not all that hard to conclude that the Earth is flat.
Now, take a look at Eratosthenes: He didn't just trust the general impressions he saw: He took detailed measurements and performed appropriate calculations. Aristotle also noticed some evidence that the Earth wasn't flat: As you went south, southern constellations rose higher above the horizon. That was quite early on, and the evidence since grew. That's the key: evidence. The evidence that all those scholars gathered went against the predictions you would expect from a flat Earth.
All of this is pretty much another take on the Galileo Gambit, trying to assume his mantle without evidence, and attempting to change the subject from a discussion of the evidence into an unjustified claim that we're opposed to new ideas by using one bad "new" idea as an out-of-context example. An idea that has no evidence for it, maybe even some evidence against is not on equal ground with one that has strong evidential support. Ideas are supposed to be treated according to their merits. That's what fairness means. We aren't supposed to support any crazy idea just because someone proposes it with a straight face.
Evidence is what matters, and skeptics like us went along with the round Earth because it had the most evidence going for it. That's what science means. Treating all ideas as equal is what "journalism" is.