Arthur Lovejoy calls one factor that subtly shapes the history of ideas a “metaphysical pathos.” A metaphysical pathos greatly influences and determines “philosophical fashions and speculative tendencies,” and is
exemplified in any description of the nature of things, any characterization of the world to which one belongs, in terms which, like the words of a poem, awaken through their associations, and through a sort of empathy which they engender, a congenial mood or tone of feeling on the part of the philosopher or his readers.
Lovejoy gives several examples, one being “the pathos of sheer obscurity, the loveliness of the incomprehensible,” which he describes as follows:
The reader doesn’t know exactly what they mean, but they have all the more on that account an air of sublimity; an agreeable feeling at once of awe and of exaltation comes over him as he contemplates thoughts of so immeasurable a profundity—their profundity being convincingly evidenced to him by the fact that he can see no bottom to them.
Lovejoy rightly indicts several continental philosophers for indulging in this pathos, which they sometimes do intentionally. For other examples, see William Vallicella on Badiou, Tillich, and Levinas. But this pathos is not just characteristic of our continental brethren. It often finds voice among the hoi polloi, who so often confuse opaque sayings with profound truths (or philosophy itself). Dan Dennett calls such sayings “deepities.”
A metaphysical pathos among analytic philosophers is to mathematicize everything, needlessly using complicated mathy examples, definitions, and language in place of what could be more clearly said in English prose. The mood or feeling this pathos engenders is one of ultra-precision and correctness, an attempt to win respectability or perceived brilliance by mimicking the prose of technical science or mathematics. This tendency has aptly been called “mathurbation.” So we could call it the pathos of mathurbation. Related is the pathos of symbol-mongering. See here for an example of unrestrained mathurbation and symbol-mongering.