"I wish everyone could see how much we all have in common"Supposing that we did see our commonalities, then what? Does it remove our wickedness? Supposing that a home invader was getting ready to unload his shotgun into your family. What good would the many ways in which you share common ground with the criminal do you? Or from a global perspective suppose Iran was getting ready to keep its promise to annihilate Israel by turning it to a sea of glass. What good would the things that Israel has in common with Iran do Israel, even though there are probably many times more things both have in common than not?
These little naive idealistic sayings are like jello. They are sweet thoughts, sure, but they don't stand up when the kitchen gets hot.