TV
The show judge qualified his opinion by saying that Roberts now has a stronger career than Jackson, who received more votes in the 2007 final.
"Rhydian should probably have won," he told Richard Bacon on BBC Radio 5 Live.
"Rhydian is selling a lot more records. Rhydian is more of an artist. Sometimes the people get it wrong."
Walsh said Jackson had ample opportunity to enjoy an equally successful career, saying: "He's had a chance. The people voted for him and he won last year."
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TV Ratings
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