No matter whose coverstocks they use, no matter which cores they "copy", the match of cover to core is all that matters in a bowling ball.
Yes, elite's balls are usually overpriced compared to most on the internet.
BUT that does not prevent their balls from being valid entries for any bowler who's willing put out the dollars for the ball.
Yes, you can probably get a similarly reacting ball for less money for most other manufacturers. Still they make many a good ball like most other manufacturers.
Such is life.
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"None are so blind as those who will not see."