Better would be the marxists pushing the gas pedal to run over everyone on the red track, hoping that someone else will then rise up to stop the trolley
Exploding the trolley both metaphorically and literally hurts everyone as the momentum from the vehicle would still land flaming debris among the people tied to its track, half hazardously risking hurting them all.
Its liberal in the sense of "we don't like Kamala's stance either, but the alternative has said he would "finish the job" in Palestine and is also anti LGBT, so if you dislike kamala purely about Palestine you should REALLY dislike the opponent and actively seek to prevent that from ever happening"