I agree with that to a point. Competed in Sporting Clays a while back. over 25 trophies shooting A class. Competing or practicing Sporting Clays takes 4 hours for one round, not counting travel. You have to do this, but there's a shortcut.
So, middle of the week I,d go to our local skeet/trap range, a 25-minute ride. I shot 1 round of Trap, and 2-3 rounds of Skeet in starting around 4:30-5 PM. I was home just after sunset.
That's 75-100 rounds in the middle of the week! And, the key to being really good at shooting clays came to me after a 1/2 hour paid lesson while already winning. The instructor told me: "Your form and swing are really good, your problem is that you can't stop thinking!"
With shotguns it's form, smooth swing and after a lot of good practice, your body knows exactly what to do and your subconscious can take over. It's automatic. The only thing that is not on auto is your feet position in expectation of where you are going to break the shot. Eye hand coordination is a natural thing. Your body does that automatically. When you have the fundamentals down, Don't think, and you don't miss
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Fundamentals come from a Skeet range, birds are perfectly predicable, you can practice on your fundamentals there, and learn to not to think!
Here's a video of me shooting quail over dogs with my 28 gauge, It was 22 degrees that morning and windy hence the clothing. You can see how I prepare my stance anticipating the shot and where I,m going to break it, comes natural. I bagged 23 birds that day, and did not miss a single shot, including lots of doubles.