It doesn't really affect your subscriptions at least. It does affect searching for anything current that isn't in your subscriptions, though.

I discovered this a few days ago when a band I'm subscribed to announced an upcoming album, and that their agent released 2 songs off of it. Not knowing the agent's name or the new song titles sure made them hard to find since this band has a LOT of significantly older stuff showing up before the 2 new songs finally appear.

I wish they'd just add a 24 hour delay or something less extreme than punishing the legit content makers this way.