Philosophy as the motive of action?

In this episode we start by discussing the development of philosophy. Or rather, our thesis is that there has actually been no particular development of philosophy. Rather, it seems as if there have perhaps been some degenerate thoughts within Western philosophy over the past 2500 years. Furthermore, we examine the idea of ​​which rationality actually motivates action. Why is it that scientific knowledge does not necessarily change human practice, while much indicates that the motive for our practices is philosophy and understanding of life. By implication, philosophy is the most practical rationality we have as humans. In that case, a new problem arises. If philosophy is what motivates humans to act, and this philosophy has not changed in 2500 years, does that mean that we still act the way they did 2500 years ago?