When you start slandering a specific business by saying 'most likely to be counterfeit', that is not acceptable.
As mentioned, P4H are an established business with over 19,000 sales and 99.9 % positive feedback. If their products were indeed, as you say, 'likely to be counterfeit' wouldn't that have been discovered by now?
Perhaps you should only voice your opinion of specific eBay sellers if you have direct experience of them? As you mention, forums are full of opinions, some are logical, some are not . . .