That's already a statement that doesn't apply to me and other "Gen Z" people I know. Which doesn't make it a false claim or an irrelevant point. The changes between milestones / turning points in the western world aren't irrelevant, but people often take them as isolated pieces of information and then value them too much. It's an important aspect about a human being, but it's only one of many uncountable aspects that is superficial on its own.
Generational theory at best serves as a nice sentimental touch that encourages older rich people to feel less entitled and spoiled, because they "didn't have the iPhone when they were twelve" (a product that wasn't available when they were twelve).
Why is Github forcing this unscientific religious propaganda on us? If Github doesn't change this immediately, I will never ever delete my account! >:(