So I had to dodge

It was my first game of my placements and not 1 but 2 people decided they didn't like the role they got and ended up just trolling so to speak. The mid laner decided to go jungle and after the jungler decided to give up jungle to him, then the support decided to be mid lane. I don't know what to do tbh. I feel like there should be a vote to remake the lobby or something cause it just sucks being stuck with people who only do one role but they didn't get it. I don't feel like losing the game just to report them for their actions because even if they do get banned right away, the damage is already done. Maybe have a vote system on one person that isn't going the role they got and just make it where if its a loss then only they loss lp and if its a win they don't get lp (or counts as losing if in placements/promos) and everyone else on the team gets half the lp, to avoid people abusing this. Just a thought. Ended the preseason Plat 4.