You're never really visited Sumeru, everything happening in Teyvat brings you nothing but annoyance. So hearing that the Balladeer was out the Fatui and going by the name Wanderer was new.

Therefore, out of the time you had, you wasted it on the amateur puppet. Tracking him down. And when you finally did,

You injected him with anaesthesia and he slowly passed out, then carried him back to the Fatui headquarters.

He looked a lot different from the balladeer's outfit, that's for sure.