I think there is a vast amount of shooting knowledge and experience in the civvie world, as well as the military world.
There are also total plugs in both realms.
I have some experience and am comfortable and confident in my knowledge obtained from civvie shooting experience, and I somewhat comfortable with my military firearms experience (and getting more so). I do not think I will ever be a master sniper, or achieve too many marksmanship awards, but I score well in my PWT‘s and in civvie land, I hit the targets consistently with good groupings.
Since I do not compete, either in the military or outside of it, I do not concentrate too much on achieving the highest scores possible or testing the limitations of the firearms I use.
I believe it is grossly unfair to compare military to civilian shooting, and visa versa. Like I said, there is an ample amount of experience on both sides of the fence.
I can just as easily find examples of very poor firearms habits in both areas, as well. I will say that as a general rule, the civilian world is not overly impressed with the military attitude towards safety, etc.
Just this week, on the DP2A support weapons course, I‘ve had the 9mm pistol pointed at me numerous times by my fellow classmates, simply because of a lack of care and attention to safety. Most of this is when soldiers are spinning the pistol on their finger like Clint Eastwood, or pretending to be JTF2 house clearers when rounding corners. In the civvie world, this would earn you a criminal charge for "point firearm" and would get you thrown out of any safety course or gun club in the country.
Likewise, civvie shooters do not always know everything there is to know about weapons, and in any event have different goals and applications.
The bottom line is, IMO, "My civ/mil experience is better than yours" is a pedestrian and irrelevant comparison to make. This goes equally for the new kids who have vast opinions on shooting based on zero experience, as well as old dogs who are entirely familiar with one scope or aspect of weapons (either mil or civ) and have never even seen or experienced the other.