well they're increasing their fees for multiple options and even for currency conversion, adding 0.5% (e.g. 4.0% -> 4.5%), so bitcoin is only getting more attractive to sellers.
Yes, this is one of the reasons that it is possible to overcome paypal because of higher fees paypal charges. Also bitcoin is reliable and there is no chargeback or you cant reverse the transaction when it is already done. Though it is favorable on sellers but it depends on both of them if the agree before they transact.