A lot of Aussies also retreated from Crete when it was clear it was being overrun and the BEF retreated from Dunkirk... officers, nco's and enlisted men. Bennett did this when he knew Singapore was going to be lost but he is seen as a coward. - Chris Crete and Dunkirk forces were under orders to do what they did. There is a big difference.
I didn't know MacArthur was ordered to leave. I was just trying to get some conversation going... hmmm - Chris