As soon as you start hitting balls with a hockey stick, it is inevitable that the paint will start to get damaged and come off. This is not a manufacturing fault and happens to all hockey sticks.
Below is a typical example of a stick after a few hits:
If your stick looks like this, then there is no need to be concerned. It will not affect the performance in any way. You should only be concerned if the integrity of the stick looks to be compromised. Generally the only manufacturing fault that can occur with a stick is if there is an air bubble in the carbon fibre composition. This will usually be apparent fairly early on and will create a hole in the carbon if the ball is struck on the air bubble. If this happens, then please submit a returns form and we will arrange for it be sent back for inspection.