Just so you can wrap your head around this, 4 nmol/L is 115 ng/dL!! I doubt there are many men alive today at these levels.
The person making these statements was never properly educated in sex hormones and it shows. This post belongs is Stupid Things That Docs Do and Say thread.
This would depend, secondary hypogonadism would see low LH and primary hypogonadism high LH.
This is what doctors were trained to do, in this case it’s cruelty as show cracks in our medical systems.