You know what's better than signing petitions? Voting with your wallet.

Don't like Apple's business practices, don't buy their products, don't sic the FTC on them.

They don't have a monopoly in the phone business anyways.

On what grounds would the govt. force Apple to put certain apps. in the App. Store anyways.

Maybe Google could press a case that preventing them or AdMob from collecting customer data is anti-competitive.