Are modern parents doing a good job of raising their children?  This is a much trickier question that it seems at first glance

Are modern parents doing a good job of raising their children? 

This is a much trickier question that it seems at first glance. In order to respond, you need to ask yourself two crucial questions. First, what does it mean to be a "modern" parent - what are the challenges that modern parents face that make parenting especially hard in the 21st century? Second, you need to define what "good parenting" is. What is the metric we use to define success as parents? 

The responses to this question are likely to be quite diverse, but that's okay. An excellent response will address the two crucial questions, which lead to an answer that is supported by credible evidence (i.e. citations).