this compartmentalization reflected the relatively decentralized nature of US capitalism during the period in which the AFL and (to a lesser extent) the CIO developed. In other "western industrial" countries, on the other hand, capital was very centralized, so labor organizations tended to be so, too. They had to be centralized in order to combat management, while the relatively small size of those other countries made it easier to be centralized. Similarly, the unions that represent US federal workers are relatively centralized.
In that case, Fitch's critique is a criticism of the weight of history in holding back the labor movement, encouraging it toward economism. -- Jim Devine / "There can be no real individual freedom in the presence of economic insecurity." -- Chester Bowles