A recent article in the Wall Street Journal has people talking about it, e.g.: on the Twitter. The term "plant blindness" has been in use for a while, especially among those of us intensely interested in the subject of plants, from gardeners to botanists.
"Apps" and Social Media
I've seen folks get more interested in plants when they can reduce, or eliminate, the risk of being shamed by others for ignorance. (Which is nothing to be ashamed of, nor to shame others for. We all start out ignorant. Choosing to remain so, on the other hand ...)