I've never had blind faith in God or the Church. When I was younger, I believed for the same reason I believed most other things - I accepted the words of my authority figures. As I became older, I questioned. I had my doubts on all kinds of things; some held. Others gave way to rejection. God, it turned out, has a lot more intellectually going than many other things. Sure, certainty wasn't in the cards, but realizing that I couldn't achieve complete certainty about the existence of the past put that in perspective.
Of course, during that whole time, there was forever the condemnations of blind faith on the part of the religious. Belief without evidence was and remains a grave charge, and a lack of doubt is condemned as zealotry. In response, many Christians have not only stressed the role of evidence in religious belief, but also the existence of doubt. Doubting God - in some capacity - is taken as a kind of given for religious people, and Christians even have biblical examples of that. Questioning is welcomed, even by the more zealous, as part of the process.
What I've noticed is that the celebrating of doubt, of questioning, of exploring one's doubts, is more and more seeming uniquely Christian.
I've never seen a feminist encourage people to question the existence of the patriarchy. I do not see people who say 'Go, see for yourself whether Black Lives Matter's claims are legitimate'. I do not even see people who say 'Yes, evolution is a big complicated theory, it makes sense to doubt it. Look into it on your own and make up your mind!'
There, dissent and questioning is treated as a grave character flaw.
Blind faith, is turns out, is only bad in select situations. Otherwise, it's practically compulsory.