That's making a lot of assumptions. I host some of my backups on what is effectively a reseller of S3; was that decision corrupt?
But, yes, PBS does bear some responsibility here. If you leave your car in a parking lot overnight with the door open and the key in the ignition, the thief is still wrong for taking it, but there's a limit to how much indignity you can have.
PBS is an association of local public broadcasters, most of whom are SEVERELY underfunded.
As the parent entity, the national PBS has a responsibility to guide and even mandate policies and provide best practice guidelines or even offer support and assistance in burden sharing arrangements.
PBS has long now had major structural challenges due to things like internal corruption and overbearing control by the well funded chapters without commensurate responsibility.
As with many such decentralized membership organizational structures, incentives can often be very misaligned between verticals and laterals.