When it takes you 35 years to equip half your force with the wonder-weapon - which will be the case with the USAF/USN - your adversary has engineering leaders in their 50s who have been studying countermeasures and responses (symmetrical and otherwise) since they graduated.
Nobody, by the way, is saying that the leveling of JSF production is new news, but that the effects are continuing to manifest themselves through the supply chain and that it is wrong to blame them on sequestration.
t43562 - Correct as regards the Swedes. Their overhead, inhouse manufacturing operations and supply chain are geared to low rate. Problems happen not when you build 10, 20 or 30 jets a year, but when you've tooled up to build 250 and then sell 60.