That's a great line!
"Physical Conservatism is what made this country prosperous and independent. The lack of it will kill or enslave us."
Young folks today are not willing to sacrifice for a goal. I think if they looked at their elders they would have learned how. Maybe they have no goals.
For similar analysis see The Road to Serfdom by Hayek.
One example from my youth comes to mind. About 20 years ago Houston began its campaign of providing public bus transportation. Many Hispanic immigrants started operating private bus services based on a very simple modelthey went up and down the major routes and charged a dollar. Houston did not like the competition, so they made it illegal to pick up or drop off passengers within the city.