I often hear people saying you shouldn\'t rush into adopting new technologies until they have become stable, tried and tested. There is even a joke on how it takes 3 versions to
This addresses your discussion more than your question. I think you are assuming that the cost benefit of adopting new technologies is a given. For a very large corporation, changing technologies can cost hundreds of millions of dollars. If the cost benefit is not there then the hundreds of millions can be saved. Most companies use technology to make something else and can not afford to consume new technology simply because it exists. When the cost benefit is there, then it makes sense to do so.