The apologist will tell you they are not obeying the GB. They are obeying God. The GB are simply helping them to understand just what God wants them to obey.
Quick response to this foolishness...ask an apologist why they don't celebrate birthdays. Now, ask them what would they do if the Watchtower said it's ok to celebrate birthdays. If they say that they would (new lite and all that) then they are not obeying God they are obeying the GB and we all know that if birthdays were fully acceptable...everyone would celebrate them!
SOP