I think that as long as we're waiting for the next banner, we can really discuss whatever we want regarding this one. This means theorizing about Mr. Briney's oar when he has a motorized boat, or getting into game mechanics.
It's entirely possible that the red-eyed kid would try to disguise evil under cuteness, and they may very well be stealing the amulet for him. It's just hard to believe that the red-eyed kid, who has presumably had a very long time to strategize while locked up in that other dimension, would use a Chansey and Wigglytuff to get what he wants. Yes, they're cute, but you'd also think that he would train them to not give away their motives with glowing eyes.
It's entirely possible that the red-eyed kid would try to disguise evil under cuteness, and they may very well be stealing the amulet for him. It's just hard to believe that the red-eyed kid, who has presumably had a very long time to strategize while locked up in that other dimension, would use a Chansey and Wigglytuff to get what he wants. Yes, they're cute, but you'd also think that he would train them to not give away their motives with glowing eyes.