At the end of the day, the damage is done and no amount of “But… They did… I didn’t know…” will change the past and that it was your fault.
So stop trying to escape that. Stop trying to deny it. Your crumbling defense is chaffing my ears and making me never want to work with you again.
But there is some good news… There’s one thing you can do that will be a big step towards fixing the problem.