A “Jedi” Religion

I'm intrigued by websites like http://www.jedichurch.org and https://www.templeofthejediorder.org/ claiming to venerate the force yet call themselves 'jedi'. Why?  If there is any real understanding of The Force, and if one truly venerated it, then one would have to appropriately name one's church to allow both Jedi and Sith to 'adhere' to it. Indeed if ever…