Most of my ideas that I've almost-forgot (passed from easy remembrance, only regained with much mental agony) and forgot-but-wrote-down don't have obvious flaws

Most of my ideas that I've almost-forgot (passed from easy remembrance, only regained with much mental agony) and forgot-but-wrote-down don't have obvious flaws in them. Maybe you have a good mental filter, but for many of us we just have bad memory.