Is that McVay knows his skill positions. He has reloaded this offense a bit on the skill side, and prioritized that this offseason, so the question is whether that bites him in the behind.
If the OL is good he's gonna look like a genius. If the OL is not good he's gonna look like a non-genius, a group that includes tons of creative coaches who didn't have the guys up front to allow for all those grand schemes to take shape.
But when it comes to the skill positions... The Rams will rebound from Gurley just fine. They'll rebound from Cooks just fine.
All that aside the article could have been stripped down to this quote IMO:
"2018: no. 7 in pass blocking, no. 1 in run blocking
2019: no. 29 in pass blocking, no. 26 in run blocking
Without blocking, the Rams offense unraveled. The running game evaporated, dropping from almost 5.0 yards per carry in 2018 to 3.7 yards per carry in 2019. Their play-action passes became less effective."