If it were only one or two people or pokemon being afflicted, it might be considered a coincidence, or ramifications from everything that's happened, but... if there are a significant amount with that disposition being affected in this way, one doesn't need the Seer's blood to know something is up.

[She frowns. It still doesn't give them information on the how or why.] Right now it's unsettling, but there's also no context for it. A warning to not get so comfortable even after the war, perhaps...? But a disturbance of this level would have to be caused by something. Or some one.