IT is inverting the marketing model.
Anker with this mandatory FB signup wants us to pull everyone we know to Anker.
I would rather the freedom to pull people to Anker by better products. Good stuff sells faster. For free.
Another approach is a well written review is THEN posted into FB for others to come here.
I know I will not agree with Anker as this is their forum but at least a diversity of opinions means someone will eventually be correct.