Your argument regarding the airbnb driving up houses in your area is a valid one but the real issue is a shortage of homes, and the resolution is for someone that wants great financial success to assume risk and build more. Something often forgotten in castigating the rich is that many of them took on a massive amount of risk to succeed and in doing so provided jobs for others.
If the youth are unable to determine what their own version of success looks like then that's on them, you figured out yours, why cant everyone else? Honestly the root cause of your issue is likely globalization, manufacturing and livable blue collar jobs were lost because other countries were willing to do the work for far cheaper. This forced the United States to elevate financial services / software / thought leader style jobs with high salaries concentrated in fewer hands.
This is only one example of what the hyper individualism mixed with capitalism for the sake capitalism creates in terms of disincentives for normal healthy communities
Yes, everything is interdependent, and the myth of the separate individual is only a capitalist materialistic concept used to pit us against each other.