That's not what I said. I said to make him irrelevant. You do that by doing a better job with his own message than he does. He is an Independent who has ideas that are popular but he won't join the party. So you need to take his ideas into the party. If Sander's popularity only generates from a cult of personality then he isn;t useful to the party either way. If it's his ideas that are connecting with people, than you takes those in.
I think some of you are obsessing over this purity test with his party label when it doesn't really matter. Personally, I think it's actually an asset:
A growing number of people can relate to his decision to stay independent. Dems need left-leaning independents -- excluding left-leaning independents from the process will only hurt dems. Dems embrace Sanders, left-leaning independents feel like they're part of the big tent -- feel listened to. Doesn't matter who's registered as a dem, what matters is votes and results. This obsession over party labels just feels like petty partisan nonsense to a lot of people. And if you really want to get Sanders and other left-leaning independents to adopt the dem label, you'll need to evolve the party to fit them. Personally I kind of lean toward a coalition approach -- don't worry about the labels so much.
At some point you're going to have to accept that Bernie on occasion will draw a line in the sand between him and Democrats while being in a Democrat outreach tour or whatever it's called. That can and has left party members with a sour taste. That's Bernie's right and he can do his thing, but with it comes criticism and desire to not put him on a plane above the rest.
Sanders seems to be doing this stuff on his own -- afaik, it's not the party setting up these TV debates, so who's putting him on a plane above the rest? Nothing stopping others from doing the same and I've already said I want to see more people doing it. I'm not as anxious about disagreements between Sanders and mainstream dems -- I think there's room for it in a larger coalition and it can actually be healthy. If some dems disagree with Sanders, they can step up and be louder without silencing Sanders while he's helping in his own way.