Replacements - S1-E4
Other mistake: When Heffron is taking his throw at darts, he states that he needs a "double seven". When he takes the throw, the dart goes into the treble eight (an earlier close-up confirms that the board has the standard Gamlin configuration), yet, from the reaction he gets, he's made the throw he was going for. (00:04:40)
Other mistake: During the scene when the soldier who shot Sergeant Grant on the head was captured, Captain Speirs with a drawn M1911 pistol (hammer not cocked) is seen entering the building. In the interrogation room, it appeared that Capt. Speirs pulled back the slide of his pistol (this is after hitting the face of the captured soldier with his pistol). Speirs then aimed to shoot the captured soldier's head. Sergeant Perconte slowly stepped back (fearing he might be in the line of fire). Clearly it can be seen that the hammer is still not cocked. Then a sound of what appears to be a clicking (or unclicking) of the pistol's safety by Speirs.
Answer: To mess with him. A lot of the "regular" soldiers didn't respect or even like Webster early on because he was a college boy. That dislike and lack of respect was deepened when Webster took what they perceived to be an extended stay in hospital after being wounded when many of their other comrades - Popeye for example - left hospital early to get back with their friends to fight.
He couldn't leave hospital early because he was in England. The wound in Band of Brothers was perceived a lot less serious than it was, and a lot of easy men were happy to have him back, especially Luz.
If you read the literature around Band of Brothers, you'll find that Kenyon Webster was perceived as a slacker in the sense that, while not precisely a coward, would never volunteer to put himself in harm's way. He only did as told and nothing more. So, regardless of the reasons why he really couldn't go back to Easy, his friends were predisposed to feel he was slacking off at the hospital while they were risking their lives.
Nauticalisimo