This was stated on their website:
We (PPS) respectfully request that the integrity and information regarding any order with us directly or any of our distributors remain confidential between the parties only, in that no detail of the order is posted on any social media outlets or public internet forum. We strongly suggest you remove any recent postings containing any order details. Failure to adhere to this request may result in the cancellation of your order and full refund of your deposit.
There is speculation that they might have taken too many orders..
Pressure is now on to deliver