Idiots Need Apply
Profundity, requires thought and attention ergo profundity, requires thought and attention. The privations of profundity is that people question your intellect.
In common parlance, to have deep insight of a subject, requires thought and attention. To understand the deep insight of a subject requires thought and attention. The problem with thinking deeply about a subject and then commenting on it is that people tend to think of you as an idiot.