Are meta-theories per se postformal?

Following up on this post, the following is from Zak Stein:

"It is also not true that the artifacts produced at the higher levels are uniquely prone to be valuable. For example, trans-disciplinary meta-theories are frequently cited as artifact-types clearly requiring the development of post-formal capabilities. But many of these kinds of sophisticated meta-theories are deeply flawed or radically partial or both. From Wolfram (2002) and Kaufmann (1993) to Churchland (1996) and Wilson (1975), highly complex theoretical edifices can be extremely reductionistic. And as recent advances across a whole range of fields have demonstrated (Kagan, 2009), even the most developed and complex theories can be seriously mistaken, or just plain wrong."