@AC Re: Can he actually provide proof that the Facetime bug actually caused him a problem?
Depends on state and law. Unlike the UK, many US laws don't need evidence of loss in order to be heard.
Uhm no.
Its pretty universal in the US.
The plaintiff has to show harm in order to claim damages.
What will happen is that Apple will file a motion to dismiss (possibly w prejudice) because his complain is deficient. He could then respond to the motion by arguing that he did have harm and file an affidavit explaining the harm. The judge then decides after meeting them in court or in chambers.
To be clear, the guy has to be able to show harm otherwise it gets tossed. Note: There's a lot of latitude in a civil case.