I don't know if this has been mentioned, but Metallic Silhouette shooters adjust their elevation turrets more than anybody I know, typically up and down over about a ten MOA range every match and practice plus sighting in, Leupold is by far their preferred scope brand. Granted that is with target turrets, top level shooters shoot enough to wear out the adjusters at which point they send the scope to Leupold for a warranty rebuild and start the process over.
I've had dozens of Leupold scopes over the years, many years ago I had a 2-7X compact scope that did experience adjustment problems similar to what's been described here, unfortunately I had to send it back a second time to get it fixed, which is certainly frustrating. I've sent a few scopes to the custom shop as well and also had to deal with some confusion that seemed to come from an internal communication problem at Leupold.
All things considered I still consider Leupold to be my first choice in scope brands.