Yes, the dangers of Asbestos were limited to people exposed to asbestos. It was an occupational hazard, and the uses of asbestos were largely commercial and industrial in nature.

As such, Asbestos was never directly marketed to consumers. Asbestos exposure was also limited because it's relatively narrow scope of usefulness. Asbestos was never a cultural phenomenon.

The extremely wide range of usefulness of nanotech means that it will show up in everything everywhere. Of specific concern should be anything designed to be airborne or directly applied directly on somebody. The product in question directly matches that description. Furthermore, this product is aimed directly at consumers, and the article even mentions how it is about to "revolutionize everything", alluding to widespread adoption and use.

I'd hate for something like this to be plastered over keyboards, door knobs, floors and countertops, sunglasses, shoes, phones, surgical equipment, dishes and silverware, headphones, cosmetics, etc... Those are the targets for something like this. You know, things you touch and use every day.