Nope.
But I find it silly that even if one's feed is public, and you're on the same (private) community server as someone else with a public feed, the stuff both of you post is hidden from the feeds just because the board is private. I understand it'll be so much more mucking around to make it visible for people only with access to the board, but it just seems silly as is.
I think most people who hide their feed are either people worried about stalkers, or people who get regularly trolled (or the opposite modded) and don't want people appearing in every topic they make/post_in.