Deletion of List of lists of lists

Comment: per  and 
Stance: keep
Cited policy: Wikipedia:Arguments to avoid in deletion discussions (WP:ILIKEIT||WP:IGNORE)

Comment: Really has no topic. Does not meet 
Stance: delete
Cited policy: Wikipedia:Manual of Style (WP:LISTPURP)

Comment: The context is structural like the root node in a tree structure.  The purpose is navigation and maintenance which are quite valid per 
Stance: keep
Cited policy: Wikipedia:Manual of Style (WP:LISTPURP)