12 For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places.
I agree.
Now we are onto something! Difficult for the people of the world that place no significance on the sanctification of spirit ... and that would include a significant number of Christians
Spiritual Christian vs. Carnal Christian: Reflections of His Image – Nancy Missler – Koinonia House).
Sanctification is simply the process of restoring the image of Christ in us.
Unfortunately, many carnal Christians are unwilling to pay that price.