Product marketters - Cognitive Dissonance, whats the best way you've everr used it?

Was studying up on the use of cognitive dissonance in marketting (Here's a quick recap for anyone wanting to catch up 👉 https://x.com/kuu44_/status/1826499691791708308 ) So was wondering how the community has best made use of it! And any tips on anything i missed on my summary up there?