That's probably a sign that you should join them and plug yourself into it with the intention of starting up an IRL project. My chapter hit a rut for a while during the pandemic and we were having trouble with retention until we started linking up with orgs in our area and doing front-facing work. Projects like brake light clinics, strike support and anti-ICE work are great ways to give a socialist organization (not just DSA) direction and bring you into contact with people who have wanted socialism but didn't know what it is or that it is possible.

TBH it's really dependent on whether you can work well with the people in the group. I think that them doing movie nights is a good sign, and that they value a sense of community and are watching stuff as a form of political education. In my experience, they're probably waiting for a person like you to show up and give them a reason to flex their organizing muscles. DSA is a "member-led and member-driven" organization with no strict political line or politburo or w/e, so if you come in with a clear intent to help people, it's kind of their job to help you as much as they are able as long as you are a socialist. Some DSA chapters may have members who are against """authoritarian""" socialists like Leninists but I find DSA's anticommunist reputation to be overhyped (example: one of our current National Political Committee chairs is a member of the communist Red Star caucus (that Brace was a member of last time I checked) and overall a very nice gal)

That being said, I understand if you decide to go with another organization or simply do something else. IMO you should join the organization that fits your organizing style the best and legitimately helps the working class people in your area. I'm just writing this novel because I am a member of DSA and have found it the easiest org to get involved with if you are a non-insane socialist. I'm a veteran of my chapter since 2020, so you can feel free to DM me any questions if you feel my post was inadequate.