It appears that the Caribbean airliner was on the wrong frequency, and maybe never received the hold short .......but who crosses a busy active parallel ry without clearance to do so?...
As I suspect you may know I'm pretty sure the default for that runway set up at JFK (ldg 22L, take offs on 22R) is for tower to issue an initial taxi clearance to landing aircraft as they exit 22L which always terminates with a "hold short 22R" and the controllers (rightly) get pretty grumpy if you don 't acknowledge the "hold short...."...you normally stay with tower frequency until you've crossed the left
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As you say no stop bars but there are guard lights.