Because they don’t offer DMs or DM metadata for sale. This Kogan guy had no special connections at Twitter or even Facebook for that matter. He was an indepen

Because they don’t offer DMs or DM metadata for sale. This Kogan guy had no special connections at Twitter or even Facebook for that matter. He was an independent developer using off the shelf offerings of Twitter and Facebook to get what he was after. If DMs aren’t for sale (they’re not) then he didn’t get them.