If Satan is the Being who promotes peace, acceptance, tolerance, then sure I see why people would 'follow' Satan (though happy note, Atheists don't follow ANY deity, God, Satan or otherwise).
So tell me SS, why SHOULD people follow your version of the Quran? Why not follow anything else? And don't say it's the truth because the other holy books also claim such. What makes yours so different?
Satan is the enemy of sons of Adam; how can he promote peace and tolerance; but in fact he stirs enmity and the contradiction of God's religion like what he did when he drove Adam out of the garden which was on one of the earth mountains: that's by suggesting to him, through whispering to approach the blackberry tree so as to disobey God and that led to his expelling from his good life in his garden.
He led also that Cain killed his brother Abel. And so on every evil comes from Satan, and he has controlled man in the West and the East to deny God and contradict His religion.
On the other hand, the Quran differs from the other heavenly books: in that it is the most recent book of God, and while the other books have been distorted in their basic principles, the Quran keeps to its primary target which is to worship God alone without any equal, which is the First Commandment and the most important of all the Commandments.
It also alleviates the difficulties of the past religions in many of its statements.