Ranked wins seem random

Most of the time I feel like I can't massively impact my ranked games, my losses feel like they're often down to multiple people feeding or just the entire team being at each other's throats after someone gives up first blood. Wins are the same but in reverse, someone gets super fed and the rest of the enemy team can't compete or the enemy team are spending more time in all-chat telling us things like how trash we are for playing a noob champ or just who to report on their team for inting and flaming. I'm not particularly expecting a response to this post for anyone but I feel the need to vent this a little because it's frustrating me that most of my wins and losses feel like they're down to luck of which team hates each other the least.
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