The key idea in CLOS is multi method dispatch, which Moose does not provide.

Moose out of the box has its own set of problems, leading to other workarounds, e.g.

Moo (a similar but much less bloated solution)

MooseX::Extended - Moose with more sensible/correct defaults

https://metacpan.org/dist/MooseX-Extended/view/lib/MooseX/Ex...