Part of it is overexposure. The same thing happened to snappy "Joss Whedon" dialogue. This stuff worked really well in Buffy and Firefly, but Whedon was good at

Part of it is overexposure. The same thing happened to snappy "Joss Whedon" dialogue. This stuff worked really well in Buffy and Firefly, but Whedon was good at writing dialogue like this and he knew when not to use it. We've now had 15+ years of various writers at Disney doing crappy Whedon impersonations and this style of dialogue has worn out its welcome for many.