[digging]

Still mostly anecdotal, but a better answer, and probably belongs higher up in the thread actually.

[zahlman]

>Still mostly anecdotal

In principle, what sort of hard evidence is gathered that could establish the point?

[digging]

I'm kind of confused by the question. Do you think an unverified commenter on a public website saying "all the stores in my town [not named] do X [but I didn't count]" is a type of hard evidence that I'm arbitrarily rejecting?