User blog comment:Fbhuvjhvbnvfdkv hfd/KS - Kill steal or Kill secured?/@comment-24706802-20140514033822

I think that often it does not matter who gets the kill as long as someone gets it, but sometimes it is downright detrimental to the team.

For example in bot lane, if one side is leading 7 kills to 4, but Blue ADC is 0:2:7 and Blue support is 7:2:0, and Purple ADC is 4:3:0 and Purple Support is 0:4:4, Purple ADC can beat Blue ADC, so KS's are detrimental in this situation.