I joined a place recently and there was zero documentation, zero ADRs, zero discussions logged except vaguely in Slack, etc. Consequently I was completely baff

I joined a place recently and there was zero documentation, zero ADRs, zero discussions logged except vaguely in Slack, etc. Consequently I was completely baffled about why everything was as it is for the first few months ("Where do I find a network?" "It's in the frobnob_stash table under 'lemon'." "Oh, yeah, OBVIOUSLY.")