I call New Age thought demonic on the authority of God's word. Whenever philosophies and religions differ from what God has revealed to us as truth, particularly when they directly contradict what He says, then either the Bible is lying or the philosophies are lying. They can't both be right. And since there is an evil spirit who desperately hates God and whose native tongue is lying, I'm going to agree with God instead of the lying spirit.
You are so right--there truly is a narrowness to my perspective. Truth is narrow, but untruth is wide and popular. I've experienced both, and I choose the narrow truth. One leads to life and peace; the other leads to death. It's been my experience that those who disrespect the Bible have never seriously examined its reliability and truthfulness, but have instead relied on the hearsay evidence of those who want it not to be true and so they easily dismiss it.
By the way, if I'm wrong then I've lost nothing. If I'm right, then you've lost everything. There really is an ultimate truth that cost God greatly to communicate it fully to us.
I pray you'll see the truth one day.