I'm just telling you the reason the average person doesn't really care for wrestling - other than people who participate in, or already love the sport. The same is true for soccer and baseball at all levels - Americans love scoring and slam dunks and home runs. And in sports like wrestling, baseball and soccer at their highest levels, non-lovers don't see enough of that stuff to attract and retain them as fans.
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I understand and appreciate the nuances and athleticism of the NCAA athletes. Hell, I was rolling around and wrestling live with the West Pont team 5 years ago during their practice - so I have experienced first hand what is going on at the NCAA Division 1 level. During live wrestling, I scored twice on their 165 pounder and that guy qualified for the NCAA tournament that season and won a match there. But, even though I understand and appreciate what those athletes can achieve, I still understand why many find the sport boring at that level.