It's the mystery of iniquity.
Why do people choose Satan, who is a horrible tyrant, who doesn't keep his promises,
rather than God, who gave his Only-begotten Son to save us, Who is always faithful, Who supports us with His grace, gives us His own mother to help us, gives us countless helps on earth (Church, sacraments, Mass, Rosary, etc.)?
And when you seek the path of pleasing God, you have a peaceful conscience and you are *happier*, even in this Valley of Tears, than the ones who are headed for hell.
Seems like a no-brainer to serve God rather than the world or the devil, but some people apparently don't have a brain -- and that is the mystery of iniquity.
Why do so many people follow the path of sin, when the wages of sin is death?