DLSIP ! How terribly '90s!
The usefulness of the DLSIP categorisation is predicated on packages appearing in The Module List. I think the current statistics are something like less than one in three distributions. The more recent the first release of the dist., the more likely the author has never even heard about it, nor knows what to do about it. META.yml is shaping up as the way to store metadata about a distribution.
• another intruder with the mooring in the heart of the Perl