Killing people with kindness is absolutely a thing and it's great for two reasons.

Wither you catch people off guard and have a genuinely pleasant interaction

Or the person never wanted to have a pleasant interaction, in which case there is literally nothing that makes them more angry than you refusing to engage.

Being raised by a narcissist it's hilarious to watch them get furious at the fact that you aren't giving them anything to get mad at and realizing they can't articulate that frustration.