I am so sick and tired of this ****

This is normals, this is horrible and its not a rare occurance either it has been happening to me for an entire month now please RIOT WTF is this matchmaking I seriously see this and do not want to continue playing this game it feels bad and shitty just gives me people around my same skill level is that so much to ask from a multi billion dollar company..... Flex is even worse the team with more platinums/diamonds win every single time :/ it is so unfun I get it they are better than me I won't ever achieve diamond, don't give me the get gud excuse ill maybe get plat seen as i previously obtained that but yeah..... give me a fking response.