It's easy to pin everything on coaches, but if you've got a manager who has dozens of times moaned about our set piece defending, surely there's a problem. And there's obviously a problem breaking down organised deep defenses. That's not merely a lack-of-world-class-players problem, it's a coaching issue (for which the manager is responsible).
But this thing about training. We hear that a bit, how amazing we are in training. Now we can take that a face value and assume that it's a problem with mentality, but are we really this special in training and what value does that have to trot out that line? I mean, unless it's to support a hapless striker on a longer barren run, saying that he's banging them in in training, I don't see how being this or that in training has any meaning. We've got a big sample size of how we are in actual matches. And it indicates that we are bereft of ideas too often, our tempo is too low, we struggle to defend set pieces, and we don't have too much of a tactical flexibility, never mind in terms of lineup.
That seems to me to be mostly a coaching issue.