Flex Queue is such a clown queue

Like what is this matchmaking? My team: Platinum 3 (me) Diamond 1 Challenger Diamond 4 Platinum 4

Enemy team: Grandmaster Diamond 1 Platinum 2 Challenger Platinum 1

^These are all our Flex ratings btw, solo queue our ranks ranged from low Master to Diamond 4 Riot please, what is this? Such a dumb queue.