Do "flat-earthers" attempt to sail around the world to prove their theory? Would this support their belief in a flat Earth?

If they are honest flat earthers, and not total muppets, it’s hard to understand how they can keep failing to weigh the evidence against flat earth. Which may imply it comes down to some sort of faith gripped tight in their hands, refusing to let go.

Sad, really sad. And frustrating. What is wrong with people, I keep having to ask?

But in the face of compelling evidence, there are flat earthers who will reject it.

Glen Powell’s Ex Speaks Out on Actor Leaning Into Sydney Sweeney Romance Rumors to Boost ‘Anyone But You’ Publicity: ‘I Felt Like I Was Fed to the Dogs’ - Variety

What have we learned?

Long story short, no evidence has changed some flat earthers public position on flat earth.

Is it that their brains are incapable of rational appraisal of information and a desire to get to the truth by making the best informed decision they can?

The decades-long journey to Gilead’s twice-a-year HIV prevention drug lenacapavir - STAT

A Colorado pastor just paid to bring some flat earthers and globe earthers to see the 24 hour sun in Antarctica. People with flat earth channels. At least one of them admitted that there really is a 24 hour sun in Antartica. Some flat earthers said the existence of this would disprove flat earth. Now flat earthers are spamming all sorts of reasons why either this whole trip was fake, or that a 24 hour sun doesn’t disprove a flat earth.

Is it because they are trolls and not really flat earthers?

Will, probably nothing, we knew this was going to happen.

Which is more effective for joint pain relief: a red LED light or an infrared heat lamp? Is there a noticeable difference in the speed of pain relief between the two?