I honestly have this (non-scientific) problem that I do not know how to discern "false fes" from "true fes". I have this feeling that an alleged fe could, at any moment and paying no price, reveal himself as someone who was just pretending for other purposes: attention-seekers, marketers, trolls, etc.
Don't get me wrong, the same holds for round earthers. But at least, round earthers all do believe in a single model, they all conform to all authorities, and each of them proposes a variety of reasons to believe in a round earth. If they lie, they all tell the very same lie, and I can be sure they don't have a second purpose. At worse they're just gullible fellows believing the biggest lie ever.
This isn't true for fes. Each fe has a different story, different authorities and they seem united only by their denial of a globe earth. If some of them are lying, they say a different lie from others. So someone may falsely push for an ancient belief of a dome, and someone else may falsely push for an infinite plane. In both cases, I feel I cannot in any way understand if they believe in what they're saying or not, since questions like "what did you experiment?", "what exactly is your model?", or "how do you explain xyx?" mainly go unanswered and usually they make those questions look like deceitful. Moreover, many of them try to monetize fe, without feeling the urge to unite with other fes, and this really does not help.
Any thought, approach, tip, or trick will be appreciated