Class relationships have not fundamentally changed in the past century, and much of the writing directly applies to our society today. In fact, it's the clearest and most lucid explanation of what we're seeing around us. Furthermore, there have been plenty of people, such as Parenti, who have been building on these works and modernizing it. You keep talking like modern explanations of ML theory don't exist when they're readily available.

It's true that young people are becoming disillusioned by capitalism because the system is becoming increasingly unbearable. However, that's a very recent phenomenon. Meanwhile, even on Lemmy which is pretty far left from the mainstream there are plenty of people running around defending capitalism. Most people in the west can't even define what capitalism or socialism is, and they take western system for granted.

What's more is that majority of people who are discontent have no idea what to do about it. People vent their anger online and grumble, but they have no idea what to do to actually improve their conditions.

If you can offer a home, healthy food, medical care, and education at 32 work hours per week, you are sold to almost everyone in the US.

These things aren't possible under the current system because it's designed by capitalist to facilitate exploitation of the workers. The only way to change things is for workers to tear the system down and build a new one from ground up. There are no signs of that happening in the foreseeable future.