Dwarf Fortress. That’s where my mild obsession with technological bootstrapping and self-sufficiency started.
Although I think I was more of a tween or teen when I discovered it. If I needed to be an actual child, it’s harder, because Mario Kart and JumpStart influenced nothing. Probably RuneScape; it’s fuzzy, but I think that was my first taste of internet culture.
Political posting is mostly about jumping on a bandwagon, not any practical considerations. Adding nuance is no fun, so sure, they go straight for kill em’ all, not “maybe relax the rules on taking oaths to the king”. 99% will never do anything IRL anyway.