This is an excerpt from the article. I understood everything in the article, but still don't understand what should be done in the way of suspension adjustments to minimize the cupping.
Cupping, which is more accurately described as scalloping (see pictures, but we will use the more common term "cupping" here), is a natural wear pattern on motorcycle tires and it will always follow the tread pattern. It is not a sign that you have bad suspension parts. It merely shows that your tire is indeed gripping the road when you make turns (thank you for that Mr. Tire!).
The article seems to state that cupping is simply a natural occurrence that can't be helped, save having the tires properly inflated.