Clear vinyl vs. regular black vinyl

Some years ago M. Fremer tested a vinyl demagnetizer.  He found some sonic benefits in demagnetizing "regular" (black) LPs, but none with clear records.  His test results are interesting -but how many of us have a spare $2 or 3K to spend on such a device?

For those interested, here's a link:

https://www.analogplanet.com/content/you-can’t-demagnetize-vinyl-you-can-demagnetize-record—-furutec...

Clear vinyl makes it IMPOSSIBLE to see any pressing imperfections in the LP surface, as well as scratches and scuffs, and even dust. The same is true of lighter-colored PVC, just to a lesser extent.

On the other hand, the new(ish) Clarity vinyl---which is a translucent milky white color, not clear---makes possible the quietest LP's ever made. That's not so important with a lot of Rock music---which doesn't have extended periods of quiet passages---but IS with music that does.

The black color of traditional LP's is indeed a result of the carbon being added to the mix. Why not just add black dye to the PVC? Does black dye also contain carbon?

What we really need is JVC super vinyl....

I do not know what is true, the whale oil used, the hazardous environment for workers in production or lack of interest as they never licensed the formula to someone else.