They've got bills to pay and wages to keep knocking out. You can't really blame them for converting to a more stable currency when there's no shortage of real world costs to meet.
The why don't they just raise the funds with paypal if they are going to to dump the bitcoin amount to their bank accounts ? Either they should just the bitcoin as it is or use paypal so they don't have to dump the bitcoins and cause a price drop to the bitcoin price.