Teaching as an "Unstructured Profession"?

Here is an interesting dissertation on education from one teacher's point of view. The premise (captured in the quote below) is that teaching lacks of typical characteristics of a profession. Teachers don't have the kind of union they deserve. They deserve more of a professional organization. And we have to pay them like professionals.

OverEducation: : "Namely, that education suffers from the fact that it is treated like a profession but isn't actually structured like one."