“We’re not really here,” sang the Manchester City fans in the North Stand, as is their wont. They were, of course; the away end was packed. Unlike the Doug Ellis Stand and even the sparsely populated Holte End. It was the Aston Villa fans who were not really here, judging an FA Cup tie superfluous in this most trying of Premier League seasons – and when their side went a goal down in less than four minutes, it was difficult to blame them.