Well some of it has been influential, works by Aristotle and Plato for instance. In another post here I've mentioned Plato's Republic (now well over 200 years old). Its arguments about justice are still the cornerstone of our justice system these days—or at least they're supposed to be.

"Everything devolves into tribalism without philosophy."

Unfortunately, that's true. It's not gone unnoticed that in recent decades many universities have closed down their liberal arts and often this includes their schools of philosophy. It's pretty terrible really.