Full-Disclosure Definition

 Legally, full-disclosure is the general need in business transactions for both parties to tell the whole truth about any material issue pertaining to the transaction.

 The Gospel is indeed (very) good news. It is not a business or a corporation. Jesus was not a CEO and the disciples weren't a board of directors.

 The Gospel is about a relationship between you and Jesus.  Whereas there are those that use the Gospel (Do I daresay there are those that use Jesus too? I guess just did.) for personal  gain (money, power, influence, fame) the Gospel, as described by Jesus, involves salvation from our sins, joy, and hope, but is also about pain and suffering, sorrow and grief.