Lack of knowledge. I can go back and explore that. Thanks for the homework. And I will try to find the post you are referencing from a few weeks ago.
No it isn’t lack of knowledge. It’s a bit experience, feeling and good looking in the view finder. Finding the dominant composition lines.
Something that was helpful to me: look around the viewfinders edges as a final check. That helps to keep the frame clear from unwanted elements, and it also helps to get keep the composition balanced in your frame.
And don’t let you tell that compositions lines in your finder are only for amateurs and beginners, ...
I just replaced my standard matglas one my Pentax 645z for one with vertical and horizontal lines.....