This sounds like you are somehow trying to take the full responsibility for the circumstances you were forced into. It is impossible to blame one person for all the things that are not working, looking and being “as they should”. The same goes for “we all failed”. It is much more nuanced than that.
The reverse perspective is more productive, every action and even smallest nudge into the right direction counts towards much bigger pile.. of dust.. on the endless desert.. Yet still, this is how mesmerizing dunes are formed. It’s not about the amount of grains, how long it took, it’s about all the persisting processes.
With a crew like that and this whole support system, Zac probably saved the world twice before even getting to the bus.