Source file: https://www.dropbox.com/s/t6uer1placy9sbb/20200827-223_Randolph-render%20problem.blend?dl=0
Rendering looks like this...
But should look like this...
Am I missing anything?
I ended up just 'appending' the collections to a new file, and it fixed it, but am curious if it's 'fixable' in the original file.