From the way some of the shills for Hillz were trumpeting about in the media you would have thought he was going to endorse Trump rolleyes
Sarcasm aside, her campaign will gain momentum with the help of the progressive wing. The addition to the platform of a few items from the progressive agenda makes it slightly better. But this whole "it's the most progressive agenda ever" is misleading, the platform before Sanders could have been drafted by Reagan. So yes, it is an improvement, but it is still far from where it needs to be in order to truly move the country in a progressive direction.
And of course, it is just words on paper. It isn't binding. Which can cut both ways.
Alas, we shall see eek

"The liberals can understand everything but people who don't understand them."
Lenny Bruce

"The cleverest of all, in my opinion, is the man who calls himself a fool at least once a month."
Dostoevsky