The quoted statement by Tone Vays:

“Dan Larimer has started several proof-of-stake based projects and they have all been shady in nature,” Vays said. “Both Bitshares and Steemit allowed insiders to create lots of tokens for themselves, and after that, the proof-of-stake nature of the project allowed those insiders to print tokens of value for themselves in perpetuity.”

That is Tone Vays negative opinion and he may be wrong but its not libel.

The reality is the rules of the steemit system in earlier days were very easy to criticize and things have changed drastically since then for the better.

Tone Vays appears to be a super conservative bitcoin maximalist and he still thinks most ALTs are a scam. Unfortunately a large number of ALTs really are scams so that keeps him in business as scam watcher.