How did that happen? 
Maybe originated as a shop night bass? Visually it looks unbalanced with that neck matched with that body. Two individually strong independant iconic shapes combined ......... hmm
https://reverb.com/item/32692338-hippie-ca-manufacturer-neck-padauk-body-brown

Given the passive electronics and body, that Frankenstein has quite an expensive neck.

It's the gibson knobs that offend me most...I dunno why 

QuoteGiven the passive electronics and body, that Frankenstein has quite an expensive neck.

agreed,  for about the same money you can get the real deal with real alembic knobs to boot!

https://reverb.com/item/34232401-alembic-elan-stunning-exotic-wood-1989-natural

but if you're in the market for an overpriced neck with possibly questionable provenance, why jack around with the wood attachments and knobs:

https://reverb.com/item/34433349-very-rare-modulus-alembic-graphite-neck-for-fender-jazz-bass-1978-black