honour-dir-layout doesn't work

[mosiser]

folder structure:

── aa/
   ├── bb/
   │   └── yy.txt
   └── xx.txt
── cc/
   └── bb/
       ├── xx.txt
       └── yy.txt

With rmlint aa cc -D, it removes the entire "cc" folder. OK.

With rmlint aa cc -Dj, same result. But the -j option should recognize a different tree structure, and mark no folder as duplicate. The -j option doesn't work, or I am missing something?