And you in turn miss one of many points in favour of Sheldons method, namely that defeating the wheel or the post it's locked to makes or leaves a bike unridable and/or reduces the thieves net gain significantly. This and other advantages to Sheldons method is why I have to insist you are wrong to state that the Sheldon method is wrong & that Sheldon is wrong. Like I said, it has it's strengthes & weaknesses & is only different, Not Wrong.