As a cause for concern, this capture was sure to result in a discussion here.
Also, it was bound to raise the issue of how we treat prisoners compared to how they would treat us if the tables were turned, so why attack the messenger?

They regard our concern not to cause suffering as a weakness to be exploited. They all claim to have been mistreated.
Wolfgang recently reminded us that earlier terrorists later admitted lying about that to gain sympathy and support.

They mistreat their prisoners not to extract information, but for the satisfaction of seeing their enemies suffer.
Even the evil of EI is far above the wickedness of these people.