This. I'd say young people should focus on educating themselves about the various issues in an academic sense, particularly if they're in college.

Don't just read blogs, read studies and learn the statistics/background so you actually understand what they mean. Look up primary sources to get perspectives from people who have lived through whatever issue you're grappling with. Learn to write and how to think about the issue before jumping to forming an opinion, and know that the process may take years of work before you have an opinion worth hearing.

You have your whole life to fix problems if you want, take the time to get prepared first so you don't just make things worse.

From my own experience it's cringey to remember how easy it was to talk about "how willing I'd be to pay more in taxes for X" back when I was single and not paying any taxes. And I considered myself educated on the subject! Climate change is real after all, how can people not be willing to sacrifice for the greater good when the coastline is literally shrinking?!! :)

I blame most public school systems. They tend to reward very shallow reasoning for the first 12 or so years of a person's education, particularly in this age of standardized testing. So most students arrive in college thinking all problems are just as shallow.