Agree 100%, but it seems like in the NFL great offensive lines seem to be a product of the system and are built by coaching rather than high draft picks. Teams like Denver just plug in another player and keep going.
If a team's offensive line is performing poorly especially over a period of 3 or 4 years then the fault likely lies at the feet of the coaching staff.
I agree to an extent, but if you are bringing in 3rd and 4th string castoffs and making them your starters, you won't get very far with the greatest coaches on Earth.
And if you think you can land a guy like Orlando Pace or Anthony Munoz or another great line talent in the draft, you should.
Not saying that this type of talent was available this year, but they had a chance in others to get better linemen and didn't.