Helicopter Evasion

[Imp]

The defender would probably like to have an opportunity to tune the range on his AD so that all don't go off, revealing their number and location. What could be even worst, is that they are all shooting at a target that could be out of the game with just one damage point

He does using Y key or op filter. AAA is the one thing change ranges on regulary. Leave at max if somethings under threat, turn it down so he comes in & then crank up a bit when to hit chance is better. If playing a human who flits about at extreme range high up to draw I will turn it down or off.
This does mean your suggestion to not evade is a bad thing as now when he pops up he is targeted by most of my AAA so would take some serious fire. At least evading increases his range generaly decreasing my chance to hit.

If it was my turn & he does not evade if I have 4 AAA units targeting what do you think his survival chances would be. Say 2 guns & 2 SAMs so 8 & 4 shots possibly.
Also I now just run a vehicle upto it & it does not run great I will blast away now its dead.
Just leave it alone I say.