That's true, and it may be a reason I've stayed with these games all these years! Look at the typical Main quest, boiled down to one idea: Low-down Prisoner is the only one who can save the world from a villain so dangerous that he doesn't make an appearance until the last act, when the Hero is ready.
Spoiler
if you're lucky.resurrecting dragons from burial mounds
Since Oblivion gates, it's been clear that they're trying to impose a greater sense of peril.