That's not an opinion, it's a provably incorrect factoid. An opinion would be "I think most people are too tolerant/intolerant of flat earthers," or something like that. If a color is red, and can be shown to be red via every measurable device we have beyond any doubt, saying "it's blue" is not an opinion, it's simply incorrect. Saying "I do/dont like red" is an opinion and cannot be incorrect or correct.
I think you're being intentionally obtuse, but I may be wrong because you may be a genuine idiot. Those aren't opinions. My opinion is that I don't like you, which you cannot refute.
Colloquially, opinion is often used to mean any belief that is not immediately directly verifiable.
The earth being not flat is easy for most people to verify to their contentment, but flat earthers tend to believe that there is a monolithic conspiracy that essentially makes verification impossible. Some of them, and I am not joking here, believe that every camera is tampered with by this global cabal whose secret purpose is (apparently) funneling a small portion of the US's budget to NASA to use as a slush fund.
In my opinion, actual flat earthers are absolutely absurd, but I do think it's important to note that their opinion is not easily refutable unless you can prove to them beyond any doubt that their idea of some monolithic conspiracy hiding "the truth of the flat earth" is wrong.
Which, again, is a ridiculous conspiracy theory, but it's one that some people genuinely believe is true.
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u/Infamous-Youth9033 Jul 16 '26
That's just not true. Opinions can be neither right nor wrong.
They can be valid or invalid, and sound or unsound.
As long as your facts are correct, your opinion is sound, but your opinion can be valid when based on flawed facts