This neglects the porn-as-spectacle aspect of entertainment value extracted by viewers of pornography.

But "large number" is a poorly defined qualifier.

10,000 individuals interested in an odd combination of diaper play involving amputees could be considered a "large number" (more than you might expect) but is handily dwarfed by three quarters of a billion vanilla viewers looking for consensual sex in the missionary position.

Meanwhile, gore and racism searches do not, a sociopathic Nazi, make. How does one learn about reality, without investigating it?

Everyone gets curious about how genitals manage to escape the undercarriage of a 450 lb. individual, just to understand how they manage to wipe after completing a bowel movement. The best source of insight into that kind of curiosity is satisfied by locating and viewing fetish pornography.