Gary Neville has taken to social media to slam Manchester United following a horrendous 3-0 home defeat at the hands of Bournemouth. One step forward, two steps back. That is how United fans will feel this evening after a frankly terrible afternoon at Old Trafford. Wednesday’s win over Chelsea had given United some encouragement that Erik ten Hag and co were turning the corner. Instead, United have crashed to a 3-0 home defeat to Bournemouth to pile the pressure back on Ten Hag once again. United had twice as many shots, completed twice as many passes and had 69% of possession but did absolute…