I hate to say but even back in 2017, i thought it was very dumb to preorder 100 units as others before already had issues with him pulling the exact same antics. I was surprised you would trust him then.
That still doesn't excuse him from taking the money and promising nothing in return though.
You probably had lost 16 000$+, which no doubt hurts...
This guy alone pretty much killed any enthusiasm the community had for the device. (Not to mention the terrible build quality)