First off, the story doesn't back up the hed. All we know for certain is that these "hacking tools" are being offered. Apparently, some of these channels charge for entry ...
Often, the group’s report says, access to Telegram channels would cost between €20 ($23) and €50 or have subscriptions starting at €5 per month.
I'm not excusing the exploitative nature of these groups, but this sounds more like grifting than hacking. I expect better from Wired. Also, we've known for years now that Telegram is leaky as fuck.
The whole situation is a bit baffling. "Here's something everyone knows has been going on for a while" ain't exactly stop-press.