Hehe, And you call yourself educated very well,
Well, First of all, The god that you call "He" is The Father, One of God's deities, Not actual god.
Second, Sodom was burned because of two reasons, 1- Lust (Which is a sin) and 2- Attempting to harm angels, Which btw, I'm pretty sure it was angels themselves who summoned the fire,
The one true God isn't limited to time or anything, If these really were sins, God would've smote half the planet by now, Hell, God was the one who gave these ideas to humans in the first place! If not, God could've just removed the idea out of human minds