It's obviously not LvG's fault, and that's not why people are on his case. They are on his case because he essentially played a 7-2-1 formation at home vs Southampton with square pegs in round holes all over the pitch, because the team played like absolute crap and created nothing, once again, because he waited till the 85th minute to make a positive sub and that was putting Adnan at LWB. The Adnan mistake counts for nothing in the totality of justified criticism on LvG and a draw in that game would have generated the same amount of criticism. People want him gone because of his body of work, which is 1.5+ seasons worth of absolute dross football, regularly not even registering a shot on target or even a half chance, regardless of opposition. His tactics are the great equalizer, every team that can defend in two banks of four is going to have a relatively easy and stress free 90 minutes vs us. People want him gone because there has been no progress, no improvement in team or individual play, just slow descent into pure awfulness. Some of the players may not be up to scratch, but these are mostly his players, either because he bought them or chose to keep them ahead of others that he sold. After ~20 months of being in charge, the buck has to stop with him.