I'd argue that this failed though because UX really just means "design for maximum engagement". Which means "keep the time between them using the UX and openin

I'd argue that this failed though because UX really just means "design for maximum engagement". Which means "keep the time between them using the UX and opening their wallet to a minimum" because that's the only place businesses care. No one is building a delightful UX for running IR spectrometers.