Skyring wrote:
The difference is that some people actively argue that
the earth is
not a sphere, whereas those who argue that Paris is not the capital of
France so far have kept their activities secret.
If a fact is contentious, then it should be backed up with a cite.
I can't agree with you that flat earthers constitute a sufficiently
respectable or large position that we need to treat the roundness of the
earth as the sort of fact that necessitates a citation.
--Jimbo