I'm on my phone, so can't see the poll, but I wouldn't do anything in either situation. Except scream loud enough for people to hear and hopefully move out of the way.
I couldn't be responsible for any death, for any reason.
Oh, and I googled tolley-ology and all I could find was info on picking people up based on the contents of their tRolley (stupid google). Can you put a link up later? I'd be really interested in reading more