Syrian Civil War might provide some examples of how things are, example of a T-72 being destroyed and cooking off in Daraya - http://www.youtube.com/watch?v=_sb2xo7yF40

Another here - http://www.liveleak.com/view?i=e6c_1363716204

Here - http://www.youtube.com/watch?v=2uycDyykbJQ

& Here - http://www.youtube.com/watch?v=qclCuQyzfB4

About 1:40 minutes in Here - http://www.youtube.com/watch?v=Jhe5pUbOWC0&feature=player_embedded#!

+ Here - http://www.youtube.com/watch?v=6wa6L2bSW4w&feature=player_embedded

I would say it does have impact on gameplay. Clear view of enemy divers/subs etc? If you could see through the vegetation on land, because of a bug wouldn't you expect that to have gameplay implications?

While I agree that throwing grenades at close range through a window is problematic this is also a milsim so a visible arc might break the immersion too much and grenade throwing is a skill and therefore practise should be the way in which to become good and tools which don't include visible arcs should be made available.

Otherwise everyone will be an expert overnight.

Everyone knows rabbits can swim!

For various AT Mine + ied attacks on armoured vehicles

Abrams hit AT Mine [all crew survived] - http://www.youtube.com/watch?v=J0Tr1Epiga0

Large ied hits cougar mrap [again all crew survive] - http://upload.wikimedia.org/wikipedia/commons/b/b1/Cougar_Hit_By_IED.jpg

Syrian civil war, first tank hits at mine [destroyed or merely disabled I don't know]- http://www.youtube.com/watch?v=E8jUQ7jKdSM

Failed to see the Up key. My fault, disregard this report if appropriate. Up key works with the crouch key at the same time.