Very well said! Not only do they have a greater ease of access, they also have lots more time on their hands because they aren't working usually. They can spend the time needed to read more of just about everything.

I'd also say, in my opinion, there are many people who recognize their privilege and becoming or identifying as a socialist can be a roundabout way of feeling like you're actually doing something positive for less well off or fortunate people without really doing anything particularly useful. It can help them rationalize inequality and feel less guilty