That is the view of Huddersfield Town head coach Andre Breitenreiter, who has echoed the recent thoughts of Sheffield Wednesday captain Barry Bannan.
Following the relegation-threatened Owls’ ghastly Easter Monday loss at Middlesbrough, Bannan spoke about being heartened by some finger-pointing among players in its aftermath.
Positive anger among players is something that Breitenreiter also encourages and Huddersfield – above the Owls on goal difference and just outside of the drop zone with four games left – had cause to be mad after an atrocious second half at Preston in midweek.
But when it comes to fans turning on players and players reacting, that crosses the line.
Footage after Town’s 4-1 loss at Deepdale saw striker Delano Burgzorg argue with some supporters. It was the wrong sort of anger.
Breitenreiter, whose side visit Bristol City today, said: “After the game, the fans were frustrated about the second half, but we were also frustrated.