A songwriter writes songs all the time, whereas just writing a song can be done by anyone, anytime.
There is nothing wrong in using people. The success never uses people except to their advantage.
I haven't seen Clones, which has been during this period when I haven't seen much of anything, but I did see Phantom Menace, and see my feelings about it - see, first of all, I think that when you make a lot of movies, your attitude about the movies changes.