I'm not saying that all remakes or spin-offs or sequels are bad. I just wish that more energy could be focused on making a quality product, especially if they are using a classic.
I remember seeing the Rocky and Bullwinkle movie and Viva Rock Vegas in theaters when I was younger. It hasn't been that long since they came out, but I really don't remember much about them. They were alright, I suppose, but they were mediocre in comparison to the old cartoons which they originated.
I know this thread isn't about sequels, but on the same token, when I was a little kid, I really wished there were a sequel to The Jungle Book. Maybe it is because I am in a different period in my life, but after seeing the sequel Disney produced a few years ago, I revoke my previous attitude. Disney is especially so sequel happy (and loves to take advantage of classic cartoons like Underdog and Inspector Gadget) that it is a large part of my distaste for remakes in general.
I think there is a difference between taking a brand and keeping it going, such as what Disney is doing with the Muppets... And taking a once popular, still beloved cartoon or movie and doing a one shot remake of it. Most of those remakes are campy, good for a cheap laugh, and then forgotten until someone says, "Hey, remember that live action movie of ______?" "Yeah, that was awkward!"
Scooby Doo already had so many spin off series by the time A Pup Named Scooby Doo came about, I don't think it really mattered anymore. Actually, personally I enjoyed A Pup Named Scooby Doo more than most other Scooby Doo projects, if only because it seemed more lively and fun than the rather stiff Scooby Doo Where Are You?