At least he got off the sofa, planned and executed (successfully) an operation and achieved his aim, and as posted above, got harmless publicity in a time where we are overloaded with salt/fat/cabinet/Cherie B Liar etc etc etc.
Don't wish to condone any threat to HM QE II, quite the opposite, but it does come to something when a pair of civvies dressed as Marvel characters get past men in dead bear hats, and armed police, in broad daylight.
Should have shot 'em, not to kill though. Maybe anyone who really wanted to get up to mischief in the Palace would think twice. End of the day you can get another Batman and Robin, I've seen loads on the piss in Blackpool!!!!!!!!!!!!!
Perhaps they could have sent in Catwoman first to have a look by night as her night vision would have saved the hassle by informing the two "Retired Super Heroes" that there was simply 'nobody home...'