Also despite them called "easter eggs" they dont really fall under easter eggs as they arent irreverent silly stuff, references and etc. They're an expected and necessary inclusion required for the story, easter eggs arent easter eggs if they're important and necessary
Like im not saying give us a marker that tells us EVERYTHING, but at least make it so if we pick up a part, we can figure out on our own what its use is. Before you'd pick up a rock and you wouldnt be able to guess in a million lifetimes what its correct use is
As someone who played through the golden age of zombies and adores their story and lore, the easter egg system was bad game design. Relied too much on youtubers making walkthroughs because the map provided little to no hints on what todo

