>>16295681Let them have their fun. Ash pairings tend to loose their popularity after the girl's cameo in the next series has happened. The only reason Pokeshippers are still so common is that "we were first" mindset and the people who only acknowledge the first series.
So I say let the Ash/Serena fans enjoy their pairing while it's still popular. At least they don't have to deal with bitter Pokeshippers telling them they're wrong the way Advanceshippers did back when May was in the show.