A few thoughts on that type of ball:
I suspect the manufacturing process was both tedious, expensive and had a larger than average number of quality control problems. Most manufacturers don't even want complex cores like the old Track ones. Anything to reduce production costs.
Also, as it flared across the resin from the urethane section, it also recrossed the urethane section. Today's technologies allow mixtures of solid and resin as well as resin plus particle in the same ball. So I would also guess that they can emulate the result of the better Helix, the Helix II (the blue and red one), with today's balls.
Such a ball would probably sell in extremely low numebrs, with 99% of the people wanting "balls that make left turns on heavy oil". It would more than likely be discontinued very quickly due to low sales. Look at most control balls (another small segment of the ball populaiton, but loved by many of us) in today's market. How many stay around for any length of time? Very few (except Visionary's and they are the exception).
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"None are so blind as those who will not see."