They use sarcasm, "jokes," and anger to derail any hint that you may be suggesting the need for them to change something about themselves or about how they are doing something.

他们讽刺，“开玩笑”，发怒，扼杀你任何可能的意图——试图改变他们的某些习性或者他们做事的方式。

youdao

This is certainly not the first time the tech has been put to use -- Orange UK's been doing something similar, albeit bulkier, for the Glastonbury fest each year.

ENGADGET: Thin film coating makes everlasting energy a piezoelectric possibility