This thread is NOT a "kill-stealing" complaint thread, this is about fair rewards.
Before you post how much you loathe this idea, and how it will ruin the game, read this entire post; it isn't long. It has been implemented before in games like BATTLEFIELD 3, and did not ruin that game.

EDIT: Just in case someone brings this up; war points are not just fuel for calling strikes. They influence SP gains at the end of the battle. Asked some people at the IRC, and they confirmed it, someone even said that [CCP]nothin said so... but I can't confirm if nothin really did say so or not.

[PROBLEM]
Many times I get a kill from someone with only a tiny bit of health, I don't feel like I deserve a +50 war point, and I find the person who did most of the work only getting a +25 unfair.
Other times me and other teammates are shooting and damaging an enemy together, and its purely by chance that I land the finishing blow, do I deserve a +50, while everyone else who was shooting just as skillfully only gets a +25? I think this is unfair.

[SOLUTION]
War points awarded for kills and assists should be proportional to how much damage done to the killed enemy. That means if you deal most of the damage, you get most of the points, regardless if its just an assist. That also means if you did very little damage, and you got the kill (like just delivering the finishing blow), you should get very little WP, even if you do get the kill. I think that seems fair.

[SOLUTION VERSION 2]
Some of you may think that a kill should always be awarded a set amount of points no matter how easy it is attained because its sending an enemy back to a spawn. How about +20 base points for all kills, but a bonus amount of points proportional to the the damage done to that enemy you killed.
Assists however should be completely proportional to damage dealt.

EDIT: [SOLUTION 3]
All kills will still remain +50 war points NO MATTER WHAT, but assists will be +1-49 war points depending on how much damage is done.
Based on Mavado V Noriega's suggestion.

[LIMITATIONS]
Some of you may think that if you die in a battle after doing 90% of the damage to an enemy, you should not be rewarded 90% of the WP because you failed to get the killed... even though you helped greatly in bringing about the death of the player. Reducing WP for assists gained after death could be a limitation implemented.

Damage that has been undone by shield or armor regeneration should not be rewarded. This limit should obviously be there.

[TEAMWORK BONUS]
Killing, or assisting a kill together with a squadmate should yield bonus point war points. This would reward squad teamwork, and incentivize squad cohesion.