I noticed that Bill Bright endorses it. I couldn't find much concrete information about their courses however, from the Introductory syllabus which I downloaded, I found some things which gave me some concern. If you look on this curriculum page

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14. Pioneer Church Planting
The hope of planting churches among unreached peoples. How the breakthrough of the gospel in an unreached people requires that the gospel be "de-Westernized." The difference of contextualizing the message, the messenger and the movement. Distinguish and appreciate people movements, church planting movements and insider movements.

This alone sounded like a liberal social gospel. Nothing about the true gospel of Jesus Christ, but about contextualizing it to fit a non-westernized culture. Now exactly what does that entail? Hear, assimilation.

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13. Spontaneous Multiplication of Churches
…churches as organic, living things opens up the practicality of seeing them multiply rapidly as movements and also flourish in society bearing the fruit of social transformation. Churches as counter-communities, acting as salt and light, bringing change to their cultures.

This is not about bringing the gospel of Jesus Christ to the world. I see nothing of the teaching of man's sinfulness and need for a Savior. I see a desire to use religious terms to seduce people for the purpose of creating social change.

The Chestnut Mare