To me it comes to Star Wars -> Prequels and Terminator 2 -> Terminator 3.
One could argue T3 is better than Phantom Menace, and yeah, i can see that, its not terribly annoying and it is more or less doing the same story of T2 (and T1) but with a different ending. A ending that is perhaps the best part of that movie.
However there is something enjoyable about just how fucking shitty the prequels are, we got that excellent Red Letter Media review that is more entertaining than the movie itself, the hit song "George Lucas raped my childhood", The People vs George Lucas and 9.842.933 YouTube videos of angry Star Wars fans. The pure idiocy of a once respected and beloved director finally exposed as a complete fraud, as one Star Wars fan
"fuck you George in your pee hole, i hope you piss lightning out of it".
That same entertainment was just never there for Terminator 3. There is nothing to laugh at except maybe Nick Stahl playing the character of John Connor. Us Terminator fans (and i am one) just left with sadness and put it in our past.
Star Wars fans are different and more numerous, they could not put it past them like we could. Perhaps they love their franchise more than we love ours. Whatever it is, they made the aftermath of that shit show entertaining, while ours was a forgettable "meh".
Because of that ive concluded that while prequels are worse movies than T3, Salvation and that shit TV series, at least the prequels provided us with more entertainment. Therefore T2->T3 and Salvation is the biggest dip in quality in a movie franchise.
Thank you everyone, court is adjourned