I actually live in León, and I haven't heard anything about this (not ads, not rumours, nothing). So yeah, I kind of find the note somewhat not-believable. And for the guy that said that México is in its way to anarchy, lol @ you.
"'Tis true, 'tis pity, and pity 'tis 'tis true." -- Poloniouius, in Willie the Shake's _Hamlet, Prince of Darkness_