It's stylish now to criticize J-I-T, but the shortages are the fault -- as usual -- of the government's actions which shut down the tourist, cruise, and aviation industries thus switching consumer demand to goods.
Just in time works just fine on its own.
>> Just in time works just fine on its own. <<
... providing nothing bad happens ever. The Japanese earthquake and tsunami, for instance, caused $14 billion in damages. The economic gridlock caused by the just-in-time business processes cost another $220 billion. In an earlier era, just-in-time was called eating your seed crop.