I think that's a bit of tired cliche - Walcott has enough goals and assists over his career to suggest he has some idea of what he's doing.
What he lacks, in my opinion, is personality. He's wishy washy, risk averse, ducks out of challenges, is happy drifting through games on the periphery, never forcing the issue by trying to take the match by the scruff of the neck. He talks about wanting to play through the middle and be the main man, but is too prone to disappearing acts to ever suit the role.
If he had Shane Long's heart (or Long had his pace and finishing), he'd be a hell of a player. But he hasn't, and his career will remain a bit of a damp (and wildly overpaid) squib.
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