Did “Save the Cat!” Ruin Movies?

[BrokenGlass41]

I recently came across this article, which claims that Blake Snyder’s formula-based screenwriting book basically ruined movies by making them all follow a specific structure.

The author makes some unlikely claims, including that Christopher Nolan wrote The Dark Knight around Snyder’s sheet, which is less than probable, given that Snyder repeatedly trashes Memento. But flaws with the artifice and book aside, how likely does this seem?

I know everyone on here is a movie buff, so this seems like a good place to ask.