I've had that happen. I also appear to have managed to short-circut the cycle - it's been a few years since I've had it happen. The key, as far as I can tell, was to realize that it's literally impossible for someone to have all the answers - the world is far too complex for any human to understand that well.
Stage one and two are still about the same now, but the other three stages blend together - I automatically look for the flaws and limitations of a worldview or body of work at the same time as I try to find ways that it's useful, and I only incorporate the parts that seem worthwhile. I've also found that I'm more open to unpopular or 'obviously wrong' worldviews now, in the sense that I suspect that there's at least a bit of usefulness to be found in any of them.
On the contrary. It's easy for someone to have all the answers. Heck, even my Magic Eight Ball has all the answers. It's having correct answers that's difficult. ;)
We all have heroes or idols, people we look up to and turn to, in one form or another, for guidance or wisdom. Over the years, I've noticed that my feelings towards those I've idolized tend to follow a predictable pattern. The following is the extraction of this pattern.