"I don't deny that they settled and didn't pursue other avenues, but allowing the incoming Warden numbers to rapidly dwindle would shorten time rather than extend it while we search for more. It would be trading one problem for another."

Is even another solution? After all this time, no one's found anything to counter the darkspawn other than that ritual. Perhaps it's well-hidden or whatnot, but the fact that no other solution has surface in ages has her skeptical even as she would love for it to exist.