Never got Pratchett. Sorry. It really does seem like he writes a story based on a string of jokes and doesn’t care about character or narrative or anything else besides being thrown from one random scenario to another based on a joke. At least Douglas Adams cared enough about his characters to make you feel like you know them and enough about the underlying seemingly random plot to make it at least make some sense within itself.

Swap the names and I agree with you (except that I love both authors). Don’t get me wrong, I love Douglas Adams’ books, but those really are just a string of gags and funny set-pieces.