It takes a ridiculous amount of patience and sneakiness to get a knife kill yet you get rewarded the same way as a gun kill. I wish there is a way to incentivize knife kills

I just had the most tilting game ever in ranked. A teammate was hitting us with his spells, shooting randomly to the sky to make noise and give away our position, and so on. We write "/ff", vote with 4 positive votes out of 5, and we cant...