That’s the trouble with any new and popular development; after some early success, eager converts begin to drizzle on the superlatives and hyperbole. This gets managers and executives believing that agile can be their silver bullet and eliminate all the challenges facing them in today’s highly competitive market.
This is 100% true. Agile is not a silver bullet, and it was never intended to be. If you go in expecting it to solve all of your development/quality problems, it will most certainly fail.