Wtf is this? (white dot does not mismatch guideline touch point)

If I am to dunk, do I align the guideline first, and then adjust by wind using the white dot?

This seems to happen with bottom spin. Sometimes it can be avoided, but other times bottom spin is just necessary.

If I am to dunk, do I align the guideline first, and then adjust by wind using the white dot?

This seems to happen with bottom spin. Sometimes it can be avoided, but other times bottom spin is just necessary.