I've tried. Interacted with a few, but it goes nowhere.
I'm told, invariably, "she has plans." When we get into comparing plans, the conversation breaks down and they just stop talking.
Why fight, when you can just hash it out and meet in the middle with Warren?
With Warren, they concede the fight before it even begins.
You don't have to actually do anything to support Warren and project your liberalism or your feminism. It's entailed, as far as you deem necessary, in the choice itself.
There's no fight that needs to be waged.
She's the candidate of the kind of liberal who quietly scoffed at Occupy Wall St.; or thinks Palestinians and Israelis are surely equally responsible for the occupation.
It's the laziest mental and philosophical choice available for someone who wants people to think they're informed enough to be taken seriously.