I’ve hiked to this spot. There is not a guardrail extending across the whole falls nor preventing you from going in the water. The story is inaccurate.
I don’t think they meant ‘across the falls’, just above the falls upstream to warn people who care to read and heed.............
I already have all the prevention I need between my ears to prevent me from standing 25 feet upstream of a large water fall.
Larger guardrails and more signs would only delay, not prevent the eventual early demise of people willing to do this.
The story doesn’t say that. It just says they climbed a guardrail to reach the water.(25 ft from the edge of the falls no less)
Here is a picture of the guardrail they are referring to:
http://geoimages.berkeley.edu/Waterfalls/ClarksPointVernalFallsL.JPG
The story is accurate.