Eh I still don't think that justifies afking. You dropping is justified, but as other people said you're screwing over 2 other people that did nothing. You shouldn't penalize innocent people for someone elses actions. Sometimes it happens I agree but sometimes you have to block them out. Any game will have its toxic players. Don't feed the trolls is the best course of action.
Besides there will never be a fix for anything that is 100%. But you have to have a reasonable fix that makes these issues more rare. Like airbags. They've saved countless lives, but doesn't mean they haven't hurt some either. It's all about proportional response to an action.
