On the corporate side, these two products may not want to be associated with this "market". Wearable biosensors are already creeping towards surveillance and vendors won't want to further spook citizens.

There is a better than even chance that the GPS tracking device in their pocket was manufactured by or gets service from a company that works directly and openly with the government on matters of intelligence.

You think companies really care about the perception, when people don't?

They manifestly do, they want control over that perception. It's just that they believe they can still control that through marketing.