if Most People fall at least once when using clipless, why use them at all?

I've heard the following:

1. Better Power transfer
2. Better more consistent knee alignment == less knee pain
3. More confidence on bike with a solid connection to the pedal

To #1 I ask, how much time/power do you lose picking yourself up?
To #2, my first clipless fall resulted in landing on my knee. Now it aches all the time.
To #3, I'm constantly worrying that I'll need to stop suddenly and not get clipped out in time. So much for confidence.

I'm still using clipless, but I can't explain why to any of my non-clipless friends like I used to.

What are your reasons?