My fundamental premise remains that we live in a shit-encrusted write-off of a society. But if other people want to codependently cling to false hope about it, one should just let them do that and not get all hot and bothered or need to act out about it. For one thing, if other people are being codependent, you're not going to disabuse them of that because a cardinal characteristic of codependency is clinging to something that doesn't really work with a white-knuckled death-grip. For another thing, if you feel you should be giving other people attitude because they are supposedly being codependent, then it is you who is being codependent, and that is that codependency you need to be trying to change. You need to be taking care of your own business and not using what other people are being, doing, or having as an excuse to behave foolishly. This really should be "no-duh" stuff, but if you live in a society that does its level-best to drive you insane every day, then you need to make a point of reminding yourself of "no-duh" stuff such as this every day.
Besides, if whatever is going to happen is going to happen regardless of what we do, then why get all worked up over things that are not your concern or that you certainly can't change? Your priority needs to be working on your own spiritual life in such a situation. As I've said before, there is no thought more truly despairing than believing that your life lacks all meaning if you can't change situations or people in the dysfunctional society in which you live.