I suspect it is a result of being afraid of cannabalising their subscription base and internal disputes between philosophies. I suspect the paywall leaks are a

I suspect it is a result of being afraid of cannabalising their subscription base and internal disputes between philosophies. I suspect the paywall leaks are a left hand vs right hand thing - if they make it fully accessible they get maximium click traffic but the boss gets pissed off about "giving money away". If they make it fully sealed Webspiders can't get there and this kills the traffic.