I find the concepts of responsibility and blame to be leaky beyond use in a lot of situations. Can you help the situation? Great, it would be wise to do so. If not, try and get yourself into a position where you can, if possible, otherwise don't worry about it. I often bring this up in the context of climate change. Are humans to blame/are they responsible? Maybe, maybe not, but if it's happening, and we can fix it, we should do the cost-benefit analysis anyways and take action if it's worth it.