As an anxious millennial who left social media and daily news a while ago: Yes they're a problem. But the main factor is that we're destroying our natural habitat and fueling geopolitical instability.
Both of these are extremely complex problems to solve and would require consistent efforts over generations. However the people in power are happily trading the future of humanity for more money and power, and finding support from a large section of the population in doing so.
I can't speak for everyone but this is why I have a hard time working on my next jira ticket after reading the news.