a.) I've worked elsewhere for ten years prior to moving to Silicon Valley and I've never seen anything like what is described in the NY Times article. Also, every company big enough to have a HR department that I worked at also required employees to watch sexual harassment training (how to recognize what not to do, not a how to) videos.
b.) The companies here in Silicon Valley that I worked for that were not startups also all had HR departments that required me to watch sexual harassment prevention training videos.