If enough of us "nerds" get pissed of by the actions of Twitter, can't we ourselves provide the initial momentum for an open alternative, with HN having 80k dai

If enough of us "nerds" get pissed of by the actions of Twitter, can't we ourselves provide the initial momentum for an open alternative, with HN having 80k daily uniques and all? Does it have to have better features? (although that will help)