human thinking can be very diverse. Western - red means bad (price down - use red candlestick) Chinese - red means prosperity (price up - use red candlestick) Western - 13 is an unlucky number Indian (& Chinese?) - 13 is a lucky number Japan - OK to eat whale meat. many others - it should not be eaten some tribes/villagers - OK to eat dogs / guinea pigs many others - don't eat those! those are pets Iran - homos should be hanged. Others - homos should be treated equally Afghanistan - women cannot work/study others - women can work/study China - bitcoin is illegal El Salvador - bitcoin is legal US - you have the right to carry guns many others - it is illegal to carry guns PS : The above list is simplified / generalized and is not comprehensive.