Yeah so go and meet them there and keep them moving along. Only a fool would expect a liberal to head for the mountains and join a Maoist militia the very first day after learning that people to the left of them aren't so bad after all.

You don't even have to join DSA to meet them, PSL and others often show up to the same protests and events in my town (as it should be). I guess I haven't seen Greens so much, but WFP at least.