Also child sexual and physical abuse has reduced during this same time frame. "According to David Finkelhor who tracked Child Maltreatment Report (NCANDS) data from 1990 to 2010, sexual abuse had declined 62% from 1992 to 2009 and the long-term trend for physical abuse was also down by 56% since 1992." from https://en.wikipedia.org/wiki/Child_abuse
We have a lot of problems, but your understand of the issues are poor.