Absolutely not. If confidential information was disclosed this could be and ethical violation and or malpractice.

This could be considered an ethical violation on which the State Bar could take disciplinary action but still not be considered grounds for...

You can ask for a reduction based on the attorney’s errors.

If the state of the lawyer’s practice and where you were prosecuted were the same, then in that state.

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Report this to the State Bar and to Avvo.

You can argue no knowledge of malpractice until you saw the file.

You can use file sharing programs, USB drive, cd, text, email, etc.

This is improper behavior and, possibly, an ethical violation.

Yes it is not unusual for others to be interviewed first.