Nicely worded Terry!
This very subject is what led me (and others I'm sure) to ttatt. I was raised as a dub and served as a pioneer, MS, elder (PO) for over a combined period of 40 years. I worked hard over many decades to deliver hundreds of talks and meeting parts that presented certain jw doctrines and teachings as "absolute truth". I used the chains 'proof texts' to further convince the congregation and individuals of "the truth".
Then, in just a few WT articles, everything that I held as undeniable truth was changed by "new light". So, like others here, I realized that if "new light" completely changed what I had spent decades believing and teaching, I had wasted a lot of time teaching and believing a bunch of bulls**t. So sad!
just saying!
eyeuse2badub