Their behavior was scrupulously moral.  He denounced the scrupulous moralism that they imposed on the people.

Catholic sexual teaching has been bad for a long time, due to the idealism of Plato, the asexuality of Paul and guilty conscience of Augustine.  Attributing the body of teaching to something other than pharisaic piety (say the asexuality of the teachers) is an advance that won't be ignored, nor will ideas of healthy sexuality - or evolution and the lack of an Adam and Eve, as well as the inadequacy of any first homo sapiens parents as candidates for an Eden golden age. You can call resistance to change traditionalism or conservatism.  Label yourselves as you like, but give gays and lesbians the same privilege.

Jesus being humble of heart is God being humble of heart. Not wimpy, but not the point is, not self interested in morality. He wants it human centered. God does not need our morality nor does any hypothetical natural order.