Vaccines. Measles was eradicated. It’s not now.

Failing people in school. Now, if you don’t understand your course material or don’t bother doing your homework, you get passed through every grade and end up with a high school diploma that doesn’t guarantee that you have any real skills or knowledge.

PS: I understand and support the idea that some students need accommodations for disabilities. What I’m talking about is that we now have a system where students are not really accountable for their learning.

I would say being comfortable with boredom. Many people have a lot of struggles with that, but it seems like that the older generations are more comfortable with it. And that’s a great thing in my opinion.

Willing to sacrifice being your kid's friend so you can be their parent first.

They understood that not every feeling deserves an audience, and we've somehow turned every passing emotion into public content.

Shame. A baseline sense of the concept of shame. To create a massive spectacle of yourself for no reason but entitlement and attention was severely frowned upon. A little shame and humility goes a long way for a civilized society.