it "proves" the facts that the claim points out. the facts speak for themselves--that there is little correlation to people being in a store to the performance of the stock.
What matters are upside or downside surprises. To assess that, you need to gauge what the expectations are and be on the lookout for surprises vis-a-vis those expectations. I clarified that already. If you don't believe it, fine. if you don't want to take the extra 10-15 minutes to walk into a store and ask the right questions, fine. If you don't know what questions to ask, or what to do with the answers, fine. Some people are lazy, and so don't do the extra work, and some are just ignorant, and don't know what kind of analysis is worth doing.