Concerning the jump, something we all do in varying degrees, many take when it doesn't mean life or death, and fewer because it carries more weight than ones own. Belief in our ability to overcome uncertainty is what drives knowledge, innovation, and survival.
If I didn't believe I was right about something, say, in my job, I wouldn't implement it, find out I was wrong, and, after being wrong a time or two again, get it right.
If I didn't believe I was right about something, say, in my job, I wouldn't implement it, find out I was wrong, and, after being wrong a time or two again, get it right.