" it is a difficult program for a non-musician to learn"
I think the clue is in the phrase "non musician" I would imagine that the majority of posters in this forum are actually musicians and therefore have some grasp of musical knowledge and know the difference between Am and C6, for example.
I see a difficulty in understanding a "music composition" program if one's knowledge of music is minimal as I assume yours is.
I too would have difficulty if a "become an attorney" software existed and I expected that program to teach me, as a novice, how to prepare a defence, defend a divorce or sell my house with a few mouse clicks.

You say for us to "Please just display the honesty to admit that it is a difficult program for a non-musician to learn" as you should display the honesty to admit that as a non musician you do not understand the basics of music AND that this is where your problem, in my opinion, lies. But there is nothing wrong with that lack of knowledge but be willing to spend a lot of time learning.
I misunderstand your use of "PC" which I assume is "Politically correct" a term applied to language, ideas, policies, or behavior seen as seeking to minimize offense to gender, racial, cultural, disabled, aged or other identity groups.
I agree with Asian sun and Jazzman also.