After New Line Cinema ensured they would be solvent for some time with A Nightmare on Elm Street 2: Freddy's Revenge, they did actually take the time to make the third installment more than science fiction movies just a simple cash grab. For one (blog post) thing, they spent a couple years working on it, and more importantly got Wes Craven back on as writer and producer. The action movie reviews result? Something that cranked the concept up to 11.
Source: A Nightmare on Elm Street 3 Dream Warriors Movie Review - Decker Shado