Well both teams are in the premier league but still in two different leagues as far as playing ability is concerned.
If anyone went to the Everton – Liverpool FA Cup derby hoping to see Salah,Firmino and Van Dijk play they would have ended up gnashing their teeth in despair as all three did not show up.
Klopp fielded a team mainly made up of Liverpool’s youngest players and they were enough to see Everton off – comfortably.
“It was Bill Shankly, the legendary former Liverpool manager, who once claimed that the two best teams in the city were Liverpool and Liverpool reserves. He might have been joking, but it is no laughing matter for Everton because, in 2020, it may well be the truth.”(from an ESPN article)
More in that vein here….

Highlights of Everton not being on the same page as Liverpool ….