Nothing in here supports the claim that the DNC kneecapped Bernie. All it shows is that Democrats heavily favored HRC, who also happened to receive many more votes than Bernie (who I voted for) in the primary.
This gives more insight into the nuance lacking from statements insinuating the only reason Bernie lost to HRC was because the DNC made it happen: https://www.washingtonpost.com/news/monkey-cage/wp/2017/11/0...
The biggest issue with wikileaks release is that the media failed to report on it properly.