Release Artist omitting composers?

Case and discussion.

I have appended the value of “C Paul Johnson” to the release artist value.
I prefer to include the omitted composers (when the values are less than 10).
One editor disagrees with the inclusion preferring the attribution on the front cover.

Which should it be?

This is a soundtrack, so it follows the soundtrack guidelines. Those say:

The Release Artist of a soundtrack should include the writers (composers and/or lyricists) and performers featured on the front cover. Use only writers and performers who are featured on the front cover (or the spine); don’t add artists from the back cover or the inside of the booklet or other places.