"The only thing necessary for the triumph of evil is for good men to do nothing"
- (Not) Edmund Burke

So to answer your question:
Do nothing! (and let Ethan and Mark have their chance with the trolley - they kinda begging for it anyhow, right?)
Also,
"Everything on the Internet is Forever" (digital permanence)
so the lever are guaranteed just a dummy/fake put there to mess with your head, cause the videos won't disappear anyway.

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