This strategy works for something that happens once, but for something that could be a pattern (e.g. getting ripped off by contractors), allocating thought to it would be worthwhile—but only if you are focused on learning from the experience, and avoiding this type of problem in the future, as opposed to just wallowing in the fact that you were wronged. (And that’s also easier said than done.)
I agree with that. I guess where I was coming from in my comment is, at risk of being uncharitable, that there isn’t too much to learn from here and the post was largely a vent.