What do you think about DXM (for those have have used it recreationally or therapeutically at supra-therapeutic doses)?

Its seems like such an incredible oversight that it ends up OTC unlike codeine in many places when its far more traditionally neurochemically altering.

I'm glad its available and can be used once in a while as a poor-man's ketamine to help recalibrate your affect and mental state and get the neuroplasticity shifting things around.

Who has experience(s) with DXM?