occam's razor heavily favors flat earth
many phenomenon observed are easily explained by the flat earth model(god rays, sun hotspot, invisible curvature, seeing too far) while round earth constantly relies on explaining these away as illusions.
Then you consider the massive amount of cosmic coincidences that exist in a heliocentric model(moon always faces the earth, solar system is a flat disk, moon is the same size as the sun)
frankly I just don't find it to be very believable when its' only hard evidence is unverifiable.