Earlier quoted context omitted.
And I've never worked anyplace where it would be a problem. Which refutes your categorical pronouncements about nationally-consistent standards. Everyone's got an anecdote!
Well, if you're demanding standards, you could spend a few seconds looking up the definition of sexual harassment in the workplace: http://en.wikipedia.org/wiki/Hostile_environment_sexual_hara... You'll notice 'pictures of pornography in cubicles' is one of them. http://www.eeoc.gov/policy/docs/currentissues.html (a government website, note) mentions specific cases where visible pornography counted as establishing a…
And, an illustration in a browsed web article isn't the same as posted pictures in a cubicle.
Yes, the kind of hypersensitive context-oblivious standards you're describing exist in many workplaces. The point is they're not in all.
The dissenting comments and downvotes you've received contain valuable information: others' experience really, honestly, truly differs from your blanket claims.