Vatican II was heavily influenced by De Lubac and other theologicans of less than confirmed Catholicity. Here's a quote by Lubac to give a bit of the flavor of the influential people at Vatican II;
De Lubac, breaking from
the great doctors of Christian antiquity and the Middle Ages,...
began to see dependency on God as an obstacle
to human freedom, an obstacle that had to be overcome for man
to fully realize his dignity.wisc.edu/index.php/psr/article/download/719/880/2809