Maybe thats how you start the conversation then...
Why do you worship the gb and do whatever they say? Then when they give you the answer about how they do not follow or worship the gb, go into all the other things you talk about.
Make them disprove your initial question in whatever way they choose and then go into all the issue that prove they are full of contradictions.
At the end of the day, they will not tear down the wall until they want to but until then... every. brick. helps.
pbrow