I think yes if they seen bitcoin will be still alive in the future and more stores are using bitcoin as payment.
For now we are still adopting bitcoin for future.
The bitcoin price is too volatile and the transaction confirmation is too long. The Amazon will not accept it now.
Check purse.io When ever you need to purchase in Amazon You will get the 15% of offer for any items when you purchase in amazon.
This itself showing that bitcoin is being accepting by amazon and some other online stores and I think that bitcoin will be the payment medium for the replacement of paypal.
However its just a discount only, How we can buy the things with your bitcoins only. because people are not largely adopted in worldwide still, Once this probelms get fixed then everything will be alright and the amazon, ebay, homedepot all the sites will accepts bitcoins