I'd argue written notes / minutes do help in a toxic culture.

I've had the obligatory interactions with a few backstabbing and/or passively aggressive teams, and when things eventually explode and work their way up the leadership chain (hopefully to someone with more sense), it's a quick knife through "you said / they said" to produce a written document from a meeting 3 months ago, where the assumptions you've been operating under were agreed to by the other team.

Obligatory: producing said doc in this context makes you an asshole, and is a nuclear escalation. But some (rare) times call for that.

(If it's a habit, you should probably reflect on yourself and/or find a healthier place to work)