The objection that the iconoclasts had to a painting such as this one is that the image promotes worship of Mary over God.
Based on the image, it would seem that Mary is far more important in Christian religion according to what she looks like, and where she is sitting, and that baby Jesus is not as relevant as she is. Iconoclasts were a group of people who wanted to destroy religious icons anyways.
Answer
Is a is shows the population density of an area
