• we’re all working too much to have the free time for it
• there are (effectively) no third places where you can hang out with the expectation to meet people without the expectation of spending money
• to get anywhere you generally need a car, highways and roads divide and spread everything which makes walking or biking difficult
• social media is run for profit, not for the sake of actually connecting people
• these above issues feed into the issue OP is pointing out. If you are lonely and your life isn’t going too well, then you’re gonna seek answers for this complicated issue. And fascists are all too willing to take advantage and provide simple answers. It then turns into a self feeding cycle.

In other words:

• Capitalism
• Capitalism
• Capitalism
• Surprise, it’s also capitalism
• Don’t worry, capitalism has just the solution for you!