[Uri’el-2012]

the smaller the bore the smaller the pattern. So with a 20 gauge gun it’s harder to hit what you’re shooting than with a 12 gauge,

The author doesn't seem familiar with chokes on shotguns.

[sig226]

It was written for a beginner, and I’ve learned from experience that trying to explain the concept of pattern density to a beginner is largely a waste of time. You’re right, but there’s time for the shooter to learn the ins and outs of chokes and barrel lengths later.