Friendfeed and FeedBurner stats

As of 6/17/2009 friendfeed.com is reporting subscriber counts when fetching from RSS items from FeedBurner. My FeedBurner subscriber count nearly doubled, from 232 to 448.
However, I’m not sure this is really accurate. Though a couple hundred people are subscribed to me on friendfeed, there are essentially no referrals to my blog from friendfeed.com. Those friendfeed subscribers are apparently interested in some other aspect of my feed, or in my comments. It seems misleading to lump them in with RSS subscribers, a sizable fraction of whom actually do access each posting in their RSS reader.
If I tweet every article, I don’t think it would be accurate to say all twitter followers are subscribers. If I submitted every blog post to reddit, that doesn’t mean I could say all reddit users are blog subscribers. Twitter and reddit don’t show the same level of intent as an RSS subscription… and neither does friendfeed, really.