I believe it is vital to be fully present here. We're not much use to anyone floating out in the ethers and many access the spiritual realms to avoid their physicality as a natural drug. I also believe that human kind is evolving to point where we can reside fully conscious in our physicality. Conscious of being energy/physical beings in one without experiencing those states in separation or duality. This is one of the greatest excitements of our age.
I'm not dishing your theory at all, just attempting to expand on the possibilities that exist beyond it.