Leaving the top track empty is clever

Technically it's cloning too. Just materialize in different teleporters at the same time.

No. Not because teleporter but because no need for multi track drifting if other path clear.

Nah, I'll send Tom Riker.

The trolley problem but the only way to pull the lever is to take a nap first.

Since your consciousness stopped and then a new was started from the same meat is it still you?

If it is, then surely a new consciousness constructed from a pile of meat identical to your brain would also be you?

Define 'you'.