” What is NOT within your rights is to search my belongings without my consent, and then detain me when I refuse to allow the search.”
So I guess you are in favor of making it easier for shop lifters to steal? Interesting. There are only two reasons I can think of that would lead you to this conclusion. I imagine you are aware of both of them so I won’t go into them.
No, I’m in favor of keeping my rights. It’s not my fault the store can’t come up with a better security policy to control shoplifting, is it?
Actually there is a well defined and prescribed way to detain shoplifters for probable cause, but it does not involve post sales receipt checks.
Your position seems to be since I have nothing to hide, I should not object to being searched by a private party though I have done nothing.