Unpopular opinion:
Making it hard for 11 year olds to accidentally come across hardcore porn is not a bad policy
Looking at those countries that have lax support for porn restrictions tends to overlap nicely with those countries you mentioned and listed as not obsessing with murder simulators.
NOW, for the fun bit, take a look at those countries with severe porn restrictions.
Here’s some of the big hitters: Syria, Iran, Saudia Arabia, China, North Korea. You know, the places where they play murder simulator, the home game.