#ranked match

I just got out of a ranked match and I'm still fuming about our team composition. We had a jungler who insisted on playing a tanky champion despite our team lacking any form of reliable damage. The enemy team, on the other hand, had a well-rounded comp with a mix of burst and sustained damage. It was like they were purposefully designed to counter us. I tried to explain to our jungler that we needed someone with more damage output, but he just wouldn't budge. We ended up getting destroyed in a 25-minute game. I don't understand why some players refuse to adapt their playstyle to the team's needs. It's not like we're asking for much, just a bit of flexibility and awareness of the overall team strategy. Does anyone else have to deal with this kind of inflexibility in their ranked matches?