The issue of Liverpool is starting from the team, because the deficiency of their team poor performance i think that it's from the players, because if they want to perform well in this season, i think that they a midfielder and defender, at least they need to hire more players fir the team and sell the old performing players. So with that only you will see that the methods of Liverpool football style will change directly, so they performance is extremely low.
Another reason is strategy. I believe another coach in the premier league is very understood how Liverpool played, They can read the player movement on each line, this situation is the same as Chelsea before Tuchel. but, I don't say the Kloop strategy is already stale because when I look him on every match, he always improvement the player strategy, I think what can he do next is to do maximising Nunez and a bit forget about Salah.