In every election “left-leaning” neoliberals always try to guilt-trip Marxists into voting for their candidates with the usual schpiel: “Your party doesn't have enough votes to win. You are just letting conservatives win”. What do you tell these people?
Voting is useful and powerful but only as an organized and disciplined block that makes demands and doles out punishment to elected officials. Like unions used to and organizations like the DSA may someday develop the capacity for in the future.