I see it is pointless, even if you come with argumets you will hear the same, you are wrong, flat earth, you liar, freemason(this is a cool perk to have) and all others. Don't want to generalise and to offend anyone, but the educational level of the claimers stops at highschool, all are self taught from youtube and even if you put scientific facts, you are a liar and universities are hoax. Even if you show them on their own photos the curveture, they see there is none.