No that's incorrect. If you check Paypal's T&C's parts 16.8, 18.16 and 19.4, they are very clear about refunds.
https://www.paypal.com/au/webapps/mpp/ua/cfsgpds-full?locale.x=en_AU#int_18_Fees_and_charges
I just checked two refunds I've done since 1 July and the fees have not been refunded.
It might be worth checking your account.
*edited to corrct one of the numbers
