The Exclusive Jesus?

In this Sunday's reading from John 14:1-14, Jesus shoots holes in the "all streams lead to the same ocean" theology.

‘Do not let your hearts be troubled. Believe in God, believe also in me. In my Father’s house there are many dwelling-places. If it were not so, would I have told you that I go to prepare a place for you? And if I go and prepare a place for you, I will come again and will take you to myself, so that where I am, there you may be also. And you know the way to the place where I am going.’ Thomas said to him, ‘Lord, we do not know where you are going. How can we know the way?’ Jesus said to him, ‘I am the way, and the truth, and the life. No one comes to the Father except through me. If you know me, you will know my Father also. From now on you do know him and have seen him.’

 Philip said to him, ‘Lord, show us the Father, and we will be satisfied.’ Jesus said to him, ‘Have I been with you all this time, Philip, and you still do not know me? Whoever has seen me has seen the Father. How can you say, “Show us the Father”? Do you not believe that I am in the Father and the Father is in me? The words that I say to you I do not speak on my own; but the Father who dwells in me does his works. Believe me that I am in the Father and the Father is in me; but if you do not, then believe me because of the works themselves. Very truly, I tell you, the one who believes in me will also do the works that I do and, in fact, will do greater works than these, because I am going to the Father. I will do whatever you ask in my name, so that the Father may be glorified in the Son. If in my name you ask me for anything, I will do it.

These are strong words, "Jesus said to him, ‘I am the way, and the truth, and the life. No one comes to the Father except through me.'" 

There are streams that deny Jesus as Lord. Those streams take you not to the ocean but instead lead to the desert of despair. 

The argument that I have heard against the exclusivity seen in John 14:1-14 is that the writer of the Gospel of John put these words into Jesus' mouth. If one follows that argument, one might as well reject the whole New Testament and not just the parts one disagrees with because the same argument could be applied throughout.

I have always hoped that after we die, all will have the opportunity to recognize Jesus and to follow him, but I worry that some will continue to deny him and be lost forever.