Amazon Authentication Annoyances

Amazon's interface for signing in and out is pretty confusing.

Signing In

The only way to sign in is to click "personalized recommendations". The "sign in" text isn't clickable.

Signing Out

The only way to sign out is to click the name of the person who's signed in:

Clicking someone's name generally takes some action specific to that person (e.g., opening an email to him). At the very least, Amazon should have made the entire sentence ("Not Tom Lehman?") a link. (HT Ilan).