I understand such a feeling, but personally, I believe that notion to be a bit naive.

I want to understand why you believe that. :)  Naivete is the cornerstone of our faith in my opinion - Jesus himself even appealed to the necessity of a child-like attitude and innocence in approaching the conversation.  Sophistry and complexity brings with it a level of arrogance that does not belong with Jesus; we become out of touch with what is really important, we end up "intellectualizing faith" - which in itself, it’s an oxymoron.  I know because I was there once.  I put in my years of Greek and prep for seminary. I came full circle back to the simple and back to the beginning.

As far as the doctrine/practice relationship goes, who decides what the propositional doctrinal statements should mean?  You said many of them are found within the NT itself.  Yes, that is true, yet often people insist in deconstructing them further in order to achieve some superior level of understanding.  Why not settle for the word-by-word statements provided by the scripture rather than asking people, "yes, you say you believe this NT propositional statement, BUT what exactly do you mean by it?"

Not to prooftext, but someone recently pointed out this verse in this very context: "In that hour Jesus rejoiced in the Spirit and said, "I thank You,
Father, Lord of heaven and earth, that You have hidden these things
from the wise and prudent and revealed them to babes. Even so, Father,
for so it seemed good in Your sight." Luke 10:21