Seems to me that the reason there is so much churn is that there are members of this group that don't have one iota of originality.
If someone starts a thread, A is B.
Then these copy cats start threads
A is C
A is D
A is E
A is F
...
Thank goodness for posters like shivas that start reverse jans threads that can't be copycatted by those sitting in front of a computer with too much time on their hands and not enough motivation to do anything on their own.