I've always been upfront about the fact that the very first thing List::Compare did was to put an object-oriented wrapper around well-known, Cookbook-style code for list comparisons. The reason I bothered was the Perl virtue of Laziness: I was comparing lists so often, I was tired of re-typing the code. Once I perfected it for my own use, I poked around on CPAN and discovered (to my surprise) that nobody had beaten me to it.
That being said, I've expanded List::Compare's functionality over the last two years and, in particular, have provided considerable flexibility in its interface. One of its interface's is functional, not object-oriented. So List::Compare is well past the point of merely 'objectifying' something.
Jim Keenan (author of List::Compare)