All reports of dir-or-file-in-opt for the archive. The extended description of this tag is:
Debian packages should not install into /opt, because it is reserved for add-on software.
Refer to Filesystem Hierarchy Standard (/opt : Add-on application software packages) for details.
Severity: serious, Certainty: certain
Check: files, Type: binary, udeb
This tag has not been emitted in any package tested by Lintian.