The linked investigation reports that private WhatsApp and Discord groups were used to promote the buy, quiet doubt, and move people toward crypto payments. It also reports losses of roughly $150,000 to $178,000 when buyers received nothing. Those are serious allegations, so the underlying dates and records matter.
The part I keep coming back to is the controlled chat. If most of the story happened behind an invite, how do we preserve enough context to check the timeline without dumping private messages or personal information onto the open web?