The Panthers did free before school breakfast and after school babysitting and all sorts of actual community building like that. The PSL does protests and craft events and that's it. I guess providing consistent services is an order of magnitude more difficult than organizing marches but it just doesn't seem like the marches are getting us anywhere.
I think where things are in the US theres an arguemment for specifically survival programs and community building more generally whike perhaps not transformative, are probably the necessary step to "get us anywhere." Atomization is so extreme in the US that i think strategies like that might be the best to focus on for building a foundation that can built on