Dan Kimball frowns on c within c

the set up:

Gene Appel, lead pastor of Willow’s South Barrington campus, said that leaders have been asking God for months for a new vision for Axis, and they sense an emerging desire to be a “diverse church with an intergenerational vision.” If Axis’s launch ten years ago signified the start of the next-generation-church-within-a-church phenomenon, what are we to make of Axis’s demise? Has Gen X ministry been a failure, or was Axis a victim of its own success—a transition ministry that has outlived its usefulness?
Dan Kimball, pastor of Vintage Faith Church in Santa Cruz, California, and author of Emerging Church and Emerging Worship, has written about the end of Axis. In part one of his post, Kimball discusses why the church-within-a-church model is difficult to maintain.

the conclusion:

This is why so many worship gatherings launched within a church last only 3-5 years. Very few last any longer than that. They end up imploding because if the new worship gathering is truly rethinking everything as a missionary would to a different culture, then the new ministry with different values struggles to squeeze into the existing church structure's cultural form of ministry. Because the power lies with the senior leadership, the decisions are made from top to bottom, and the alternative worship gatherings are not at the top.