Shuttered startups are selling old Slack chats and emails to AI companies

I thought it was against Slack's ToS to exfiltrate data like this?

Also surely most of a startup's Slack activity is just fluff - is there some amount of preprocessing the AI companies have to do, I wonder.

I was asked by someone today if there are such startups with COBOL based code bases...

https://archive.ph/WTtUo