Most ideas people have aren't original, but the original ideas people do have come after struggling with a lot of unoriginal ideas.

> They are original to me, and that feels like an insightful moment, and thats about it.

The insight is that good ideas (whether wholly original or otherwise) are the result of many of these insightful moments over time, and when you bypass those insightful moments and the struggle of "recreating" old ideas, you're losing out on that process.