According to Newsweek, in response to the lawsuit the DNC contended that “the organization’s neutrality among Democratic campaigns during the primaries was merely a ‘political promise,’ and therefore it had no legal obligations to remain impartial throughout the process.”
https://www.salon.com/2016/11/09/the-hillary-clinton-campaign-intentionally-created-donald-trump-with-its-pied-piper-strategy/
The Democrats and Hillary sure did talk a lot about the leaks at the time, but strangely never mentioned the contents of those leaks.
https://www.washingtonexaminer.com/politics/2143741/fact-check-did-the-dnc-illegally-steal-the-2016-primary-from-bernie-sanders/
You have to get over Bernie losing but that’s a perfect example of the left fighting each other while MAGA took power.