Ah please, I've seen my share. All the peter principle might be true, that doesn't mean what I say isn't complementary. I can criticize them all day long (which I do enough already).

This wasn't an apraisal but a metalevel observation. Hierarchies survived enough.. they must have enough intrisic value. In structures, very few people have knowledge (everything is distributed and fuzzy), most of them react, the irrationality just bubbles up until someone has just enough distance to calm the irrationality. It might lead to a bad solution (boss can just shove the effort down back onto employee) but somehow the fuzzy information problem is reduced to its minimum in this tree.