this script simply creates list of all fonts seen by illustrator
Yes, yes, and yes.
It might be useful sometimes to be able to type a sample text and have that displayed rather than the font name, but this is a great way to compare fonts quickly, without having to store and update a document, and with no question as to what font you're looking at.
It's a handy reference that I anticipate using a lot.
Europe, Middle East and Africa