They say that anyone who knows what’s good for him will avoid arguing on the Internet. But what of arguing about the Internet? That’s what four net-centric thinkers — MoveOn.org board president Eli Pariser, “Googlization of Everything” author Siva Vaidhyanathan, Slate’s Jacob Weisberg and “Net Delusion” author Evgeny Morozov — did Tuesday at an Oxford-style debate organized by Intelligence Squared U.S. and held here in New York.