Yeah, this is what I'm saying, Smith-Rowe is more a sub for Odegaard. So You basically have Nketiah as sub/rotation for 4 competitions.
Just off the top of my head:
Man City: Haaland, Alvarez, Mahrez, Foden, Grealish, Bernardo
Liverpool: Nunez, Jota, Salah, Diaz, Firmino
Man United: Martial, Sancho, Rashford, Antony, C. Ronaldo
Chelsea: Sterling, Havertz, Aubameyang, Ziyech, Pulisic
Spurs: Kane, Son, Richarlison, Kulusevski, L. Moura
These are all better/more accomplished players than even Your 4th choice options for these positions. Maybe the "starting" 3 from these lists won't score more than Your first 3, but all these teams have rotation options and with those counting as well I presume they will score more goals.
Arteta should have rode last season better, it was the perfect storm for Arsenal, relatively normal season with minimal rotation needed, and struggling rivals (Spurs, United, Chelsea to a certain degree).