Yes, they need incremental contributions from Reynolds, Everett, Higbee, Cooper, etc. But I think it's more about how the offensive line performs. If they maintain an elite level, then Goff has time and he
will find receivers- whichever receivers- and get them the ball.
For a veteran OL with three 30+ year old starters, I'm glad they have an extra day before the MNF game and then the bye afterward. It's good timing. Ideally Whitworth and Sullivan could sit or at least have limited reps in week 17- and then a bye over wildcard weekend.
These rests could be what keeps the OL humming- and keeps the offense scoring.