I am not sure how it &quot;works&quot; either.  But, if the Catholic church could gradually change its position on slavery [1], surely it should be possible to do so on other matters as well.<p>[1]: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Catholic_Church_and_slavery#The_movement_towards_abolition_of_slavery" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Catholic_Church_and_slavery#Th...</a>