What is Catholic Culture? Who produced, sustained, and spread Catholic Culture? 
Jєωιѕн converts to Christianity first produced it. Then their successors, though at every interval and era there have been Hebrew Catholics. And I like to think it is because it is right and we are here because we like this Catholic thing. And many Catholics have betrayed their inheritance such as Esau (sold for a mess of pottage).
And of course there are different Catholic communities who generate their own culture, and one is entitled within the bounds of charity to support one or the other (work out salvation with fear and trembling (Philippians 2:12) though there are some with supernatural charity who can overlook all differences, but indeed it seems to be a source of tension and a stumbling block... and one is entitled to choose.
Unless someone supports American Catholic Culture which is very broad, but is undergoing a change as people try to find living waters...