I don't have any real problem with chaff.
Chaff is actually used by real aircraft.
Check this out
https://www.youtube.com/watch?v=8KOMiLBqh-4
I quite like things like this in game would be true to real life.
Real chaff (which adds radar clutter) bears almost no resemblance to in-game chaff (which apparently works more like flares, to confuse the tracking of weapons reliant on IR).
Who's to say our chaff isn't superheated?
It must be...probably why they changed it's color to glowing red.
When a lock is lost because of chaff or low heat, turrets should stop firing and gimbals should shoot where aimed (as fixed).
That would be better than the current random firing arcs followed by 'unlock target' to fire as fixed process.
As far as gimbals go, low heat either causes a target to be lost, or to only be partially resolved. In the latter case gimbals don't gimbal except in a much smaller arc than normal.
Chaff is evidently shooting IR emitting flakes which causes targeting sensors to track randomly.
How about this?
IF you have gimballed/turret weapons, and a target deploys a chaff, your weapons go crazy, like they do.
However, if you unlock the target, instead of going fixed and staying that way, they still go crazy if your crosshairs go pass over the ship deploying the chaff for a short time.
Sensor rating can reduce this interference time.
That means all chaffs will effect all tracking, on all ships, regardless of whether you're targeting them or not.
This is as silly as seekers not being able to fire without a lock.
Dispersal at least makes some sense, as it's delivering some payload that is triggering an involuntary gimbal motion, but there is no even vaguely convincing mechanism for chaff to do this...if the weapon points directly a head with no target selected, no passive countermeasure should be able to do anything beyond that.
Emissive makes sense, especially on a LASER - acronym for Light Amplification by Stimulated Emission of Radiation
You're bombarding someone with a concentrated beam of irradiated light. Crank up that radiation enough, and why wouldn't it be Emissive?
Because the skin/hull of the ship is constantly cooled by the ship's cooling system, with any hotspots quickly evened out. It's why every hit from every energy weapon isn't emissive.
Emissive projectiles make much more sense as they would carry their own heat source that could be insulated from the vessel they embed themselves and continue to burn/radiate.