Avoids dependency issues when you try to deploy your work on an unmodifiable target.

I've been looking at DBM::Deep (one of perl's equivalent to CodernityDB) and App::FatPacker recently just for this case (install a script on some Macs with only Perl being needed requirement).

ref: https://metacpan.org/module/DBM::Deep | https://metacpan.org/module/App::FatPacker