I mean by that logic just going to the game would have outed them, as hundreds of fans saw them together… Unless I’m missing something, was this cold play concert long term televised or something?

Bottom line is, would this be in a position that anyone who knew who he was, would have seen? Unless the recording was something super substantial that say tens of thousands would have noted it in his home town or office, or millions world wide to the point where there’s a reasonable chance that his wife or someone who knows the family would have been able to call him out, it probably wouldn’t have gone anywhere.