You’re describing Reddit ten years ago. There’s not really a “typical Reddit user” at this point it’s so big. All kinds of people are on it and most of them are not techies with a particular ideological bent.
I think it's true that Reddit leans more towards supporting internet privacy initiatives, net neutrality, etc. whereas facebook users often have no awareness of these issues in the first place.
But at the same time, no requirement to associate with a real-world identity means there are more sockpuppet accounts, more astroturfing, etc.