I wouldn't call open tournaments a good measure of D1 vs D2. Opens contain redshirts, walk-ons or the second and third string guys. You take the Top D-1 guys vs D-2. D-1 would win well over 90% of time.

Kansas does ok for its population in sending kids to D-1. But look at your top three wrestling states in my opinion Pennsylvania, Ohio and New Jersey. These states have populations 3-4 times the size of Kansas, but probably produce 20 times the amount of college wrestlers.

A few reasons why Kansas wrestlers don't get recruited as highly.

1. Tough to measure quality of state champions, due to 4 classes in a small population state. Some state champions are relatively weak in KS.
College coaches are only going to give scholarships to the real deal. Why spend time to travel and recruit in Kansas when your not sure of the product.

2. Lack of D1 exposure in Kansas. Kansas kids do not see college wrestling nor read about it.
Seeing high level of wrestling can be great teaching and motivating tips. Kansas kids do not get it. If K-state had a team, interest in college wrestlign would spike. At the college level, Kansas is a big basketball state.

3. Style has little to do with it. I agree with some of other posts that Kansas is a riding state but sometimes the kids lack the neutral takedown skills.
The college wrestling game emphasizes much more riding. More time is spent on the mat and you're rewarded for it. Most college coaches would say they have to teach new recruits how to ride due to lack of skills coming in. I've seen posts on Missouri website asking the same question. There response was MO kids weren't recruited due to the lack of riding skills.