It is all about the proper understanding of God and ourselves.
Then it would help if you explained a little more. To the average reader, it would appear that Calvinism has a small number of elect that were just born that way, and the rest of humanity are born without any chance of salvation, hell being their pre-birth destination.
Why do Calvinists even bother talking about it since they are born to be saved? And why missionaries, the elect will get there anyway>