Stoics had (yet another—IIRC the last one was around the 1950s-60s) popular revival a few years back and now they're everywhere (especially Aurelius) and there's definitely a bit of "well I'll have to stop wearing that band's shirt out and about now that Wal-Mart's selling fake-faded reproductions of their tour shirts and most of the people you see wearing one can't name more than three of their songs" to it.