I totally agree. In fact, since you brought up Nicodemus, permit me to add observations I have made in that passage -- and it's something that most people don't see in the passage. Jn 3:3 reads:
John 3:3
3 In reply Jesus declared, "I tell you the truth, no one can see the kingdom of God unless he is born again."
NIV
This text is devastating to FWT in a couple of ways. The first important thing to observe is that the term "see" is in the present tense. Therefore, Jesus is telling Nicodemus that no one can [presently] see the invisible kingdom of God until the new birth occurs. This can be taken in at least one of two ways or two ways if Jesus was employing a double entendre. One way of understanding it is that no one can understand the kingdom or the nature of it unless he has been born again. The term "see", for this explanation, cannot be literally understood as physically seeing with our eyes since we cannot physically see anything that is invisible.
Another interpretation, that is as equally damaging to FWT, is that Jesus personifed the kingdom (as he often did) by substituting "kingdom" for the word "king". In other words, Jesus is very likely telling Nicodemus that no one can "see" Him (the KING) unless he's born again! And how ironic is this, since Jesus was standing right there in front of Nicodemus. This Pharisee certainly physically "saw" Jesus, but he did not see Him for who He truly was -- the promised Davidic King of the Jews! In other words, Nicodemus didn't understand who Jesus was and wouldn't unless he became born from above! And this is why I personally favor the double entendre interpretation. This text, therefore, is profoundly paradoxical.
Whaddya think?