It does get filtered into its own folder; it's just that I prefer to read that folder's contents in Google Reader, along with all my other "feed" stuff, in one

It does get filtered into its own folder; it's just that I prefer to read that folder's contents in Google Reader, along with all my other "feed" stuff, in one shot. This is more appropriate if you mostly lurk on mailing lists; if there was a list I was highly active on, I'd probably treat it differently.