It's definitely a problem. Moreso now than at any time last season IMO. Yes, your impatience is a common issue that many fans have with the team.
When you see this happening, it makes me think Tanny is an idiot when it comes to the OL. Remember, this is not his first time f*cking things up with the OL. Everyone remembers the Pete Kendall fiasco.
If Tanny ends getting fired any time soon, many fans will point to this as one of the main reasons.