He seems like the type to go, "the needs of the many outweigh the needs of the few" and let the Jem'Hadar incinerate a helpless Oberth class ship full of toddlers playing with puppies rather than risk his own crew.
According to Weyoun, "the Dominion has never surrendered in battle since its founding 10,000 years ago." Whether that's true or not, the Founders can't afford to have thousands of troops and administrators running around their home space telling loyal Dominion servants and subject races how they got whupped by some upstart solids on the other side of the galaxy. That wouldn't be great for "the order of things," would it?
Also...they literally failed their gods. What else can they do but eat a polaron blast in the face?