"Pontificating" means to express one's opinions or ideas in a pompous or arrogant manner, as if one were an expert or authority on the subject. Full definition
It animated the vibrant pontificate of Pope St. John Paul II, from his anticommunist writings on human freedom in its relationship to truth, to assertions of universal human dignity in the face of the culture of death, as well as in his approaches to ecumenism and interreligious dialogue. (firstthings.com)
There's been lots of pontificating about this, but Kieran Snyder, who's held senior leadership positions at Microsoft and Amazon, and is CEO and co-founder at text analysis startup Textio, decided that getting the answer to this question shouldn't really be that hard. (inc.com)
I know that authors John Scalzi, Anne Rice, and Chuck Wendig are big on pontificating on the liberal side and there's Vox Day with his sycophants on the other, so the field is already over-saturated with such lunacy anyway. (paulduffau.com)