> I attended a Catholic mass from 1-18 (and occasionally since then), and there was definitely a bunch of moral reflection from the readings, gospels and the sermons.

Have you ever gone to a mass on random Thursday? There is often no sermon during daily, non-Sunday mass. Yes, there are readings, but the central part of the mass is the Eucharist, which the Catechism (¶1324) calls the "source and summit of the Christian life".