Could be. My gramps told me not to believe everything your read and half of what you see. Now as for the flat Earth, this space photo - but I don't believe it because you can't see the elephants riding on top of that big turtle.
And where does the water to replace what falls off the edge come from? Aren’t sea levels rising?
Conversely, this could be used to counter the rising sea levels myth. Many liberals would believe it.