Even the best pilots made mistakes or had situations that meant they couldn't fly at their optimum, even if it was just an order from Goering to fly in close to the bombers
, for this reason, although BnZ is the way to go in nearly all situations with a 109, it doesn't hurt to practise and prepare for those odd times when it all goes wrong, that is where the dogfight servers have a purpose, they are great for practising what to do when the sh1te hits the fan.