I meet few people who go to church. They've absorbed lessons from childhood, carry them around with them as baseline assumptions, but give them little thought. Their religious beliefs are 'important,' but never come up in general conversation unless asked a direct question. Their political leanings originate as much from their social circles as their preachers or pastors and are quite superficial, only activated by the 'red meat' thrown to them by talk show hosts or Fox News.
So religion and politics are like comfortable old shoes, enjoyed around the house but hardly ever thought much of, unless irritated by a stray burr or a challenging remark.
No, please do not disturb them with anything resembling change or dissent.
Better to let them dream on peacefully as they sleepwalk through their lives.

Yup more than we thought

This study reflects exactly what I’ve been saying and thinking. There is a huge percentage of people who don’t go to church and have no use for church teachings, yet, if you ask about their religion they’ll give the traditional religion of their family. They do this because they haven’t given the matter much thought and have no strong feelings. There’s also the social pressure. They don’t want to rock the boat by appearing to be rebellious. Only by getting to know them do you learn their true sentiments.

I’m surprised that the category is so small in the study—I’d have estimated it to be over half and I’m in rural Alabama, thought to be the “Bible Belt”.