+1 Aviar, its not necessary at all IMO, and it beats me why people would want to see things like that.....Strikes me as a bit freaky and Ghoulish. Watch a Freddy Krueger film or something if that kind of thing floats your boat lol.
If cockpit hits were 'realistic' in IL-2 dogfights would end a lot sooner, I'm sure Oleg was on record saying that in the past.