There’s not a single good reason.
“He who believes in Him is not condemned; but he who does not believe is condemned already, because he has not believed in the name of the only begotten Son of God.”
– John 3:18 (NKJV)
[Genesis 11:8] So the Lord scattered them abroad from thence upon the face of all the earth: and they left off to build the city.
[John 14:20] “At that day you will know that I am in My Father, and you…”
We don’t need to fault God. “‘Woe to the rebellious children,’ saith the Lord, ‘that take counsel, but not of me; and that cover with a covering, but not of my Spirit, that they may add sin to sin.’” – Isaiah 30:1
People can say what they want. “There is no wisdom nor understanding nor counsel against the Lord.” – Proverbs 21:30
He was a wild man. “And when He was come out of the ship, immediately there met Him out of the tombs a man with an unclean spirit.” – Mark 5:2 (KJV)
God helped him. “And God helped him against the Philistines, and against the Arabians that dwelt in Gurbaal, and the Mehunims.” – 2 Chronicles 26:7