Walcott will never be Henry, but it's worth remembering that he's 22 now, the age Henry was when he signed for us.
We never had to watch Thierry learn the ropes between the ages of 17 and 22. During Henry's stint at Monaco, in five seasons he scored 28 goals in 105 appearances.
At Arsenal Theo's had 34 goals in 117 appearances in six seasons, playing in tougher competitions.
Stats are comparable, ne sont-ils pas? The key thing now is to keep Theo, keep him injury free, and put him in a position to deliver for us.