Obviously, a church has to be conservative in many ways, but religious dogma changes over time. What is practiced today in several important ways is not what the church did just a couple centuries ago. The Enlightenment and the formation of another heavyweight--the modern state--curtailed the influence of the church.
It's funny to watch the faithful complain when they taste what they had prescribed for others. Oh, the Xtians are persecuted, they shout. Like Ted Cruz and Mike Hackabee said coming to the defense of the Kentucky city clerk who refused to issue marriage licenses, because, heck, that's against her religion. Hey, have you heard of the Amish who works at the Motor Vehicle Dpt and refuses to register any ..machines of the devil? Haha.
But, we have to applaud the pope when he makes speeches that help move people in the right direction. The environment, health care, immigration, the income-wealth distribution, etc, are some of the issues championed by progressives. We know that some people and leaders aren't moved by rational arguments and facts when these come from their opponents. So, it's important to have someone they respect say these things. It moves the needle of our national dialogue in the right direction. Thank you, Pope Francis.