Because the Patriarchate of Rome Has Already Consulted Laymen

Actually, it hasn't. What about the voices of men?

Similarly, in the survey, one participant commented: “Mothers must be a part of the solutions created to protect our children from future abuse…and to promote vocations.“ In addition, 78% of women surveyed felt that the Church hierarchy either “does not understand” or “understands very little” about women’s concerns over the abuse crisis.

CWR: Catholic Women’s Forum provides testimonies, data about female responses to abuse crisis by Jeanette Flood
Ninety-six percent of 5,038 U.S. Catholic women surveyed last month agree with Pope Francis that clergy living double lives should leave ministry.