How is my statement wrong? NCLB is simply the latest problem with public education. Teachers unions, liberal indoctrination and other such things had been going on since long before NCLB. Hence, when NCLB came around, it became the single worst thing to happen to public schooling in recent memory.
The hyperbole keeps the focus off the more important, debilitating problems. Further, it makes you sound shrill and makes people (IMHO) not want to read another word. I'll put it this way: let's take your second list, combine it with "the single, worst thing to happen in recent memory", and add a couple others I have seen complaints about.
While NCLB may be bad, it probably would not make many serious reformers top 10, much less top 5. Technically, it may have followed these others chronologically, but calling it "single" and "worst" is hyperbole. If I had not called you on it, your second, more measured post would probably not been written.