Flex = FU (just ranting to see who feels the same)

Last season I ranked Silver V, I've only been playing for almost 4 months so I was happy with that, I ranked Silver V by winning only 4 of my 10 games, kind of surprised and then this flex bs comes along, I won 5 of the 10 games and got bronze 3! Some of my games did have bronze players but most had Golds and Silvers and I even saw a platinum, I think that ranking is complete bullsh*t