My immediate thought when I watched the episode, and Pokemopolis also asserted: these three ducks are trolls, yet amusing and incompetent ones, and they get blasted off in battle.
In other words, they're trying to be classic Team Rocket for the episode.
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You should get at least one alt in the event you get warned or put into Purgatory. - Luster
It's probably easier to just not break the rules. - SmartMuffin