Yes, I do think that is what is happening for the most part. When you try to scoop the ball it is because you are compensating for a faulty swing sequence. Yours is faulty because of your verticality and the lack of hip rotation, this makes you feel the need to scoop the ball to get contact. I had the same problem as you, I was playing golf decently with bad technique, once I tried to learn the proper way to play, my game went to hell. Im very happy that I did make the change though because now my game is better than ever. One thing you need to also work on is your posture, you seem to be very vertical from set up, move back from the ball because you look very close to it. Bend more at the hips and less at the knees. Here is a simple hip rotation drill, do it in front of a mirror and just got the feel of it before you hit a ball. Start simple, put a ball on the ground and move away from it some, then bend at the hips and less at the knees. And use this drill over a ball and in front of a mirror. Focus on coming through and not up. Hope it helps!