Collectively organizing to derail the train and/or build a bridge towards the third track is the only ethical solution by the way, but it takes time and effort, so let's get started.
Derailing a train takes no time, it’s a violent quick act.
The only ethical solution is to end the harm asap while working on building alternative support networks.
You don’t need a fully fleshed out replacement before you start removing the bad. Don’t let perfect be the enemy of good.