How can you use the example of Noah's day for this argument? Do you really believe that he preached to everyone throughout the entire earth, and everyone truly had a "choice" as to whether they would follow this man?
The whole account of Noah is not accurate. The great flood might have happened, but I'm pretty sure the bible's leaving alot of stuff out. So, we do not know for sure what happened in "those" days. Human beings were given the gift of intelligence & logic (in most cases). Even the WTBTS by printing literature uses "common sense" themes w/in to promote their philosophy on religion. The WTBTS uses other religions mistakes, opinions & philosophies on the bible regularly to "disprove" what they have to say. And the same thing happens in reverse towards the JW's. What they "say" is the "truth" is disputed over and over again by bible scholars, even the ones that helped get the JW's where they are today. So, you are not special, sorry to say. You are not "chosen", sorry to say. In fact, the simple truth is you follow a religion that has placed itself OVER anyone truly seeking God, and therefore will be punished right along with the rest of "false religion".
Your only correct point, IMHO, is that only God knows who his TRUE followers are. I happen to believe that he will find them out of all nations, tribes, tongues and faiths. Its what is in the heart that matters - right? Only God can see that alienone.
Oh, and another thing, the bible says that his TRUE followers would be known for their love - not for what religion they happened to follow - by their love for one another & for their constantly seeking him and his father. The WTBTS is FAR from being infamous for "their love". I have yet to see a more hypocritical, judgemental, arrogant & haughty group of people in my entire life.