Or, evidence from a sample of poorly designed projects.
So there's evidence that it can be done badly enough that the problems show up in less than a year. That doesn't prove that more evidence will show up after a couple years, or five, but it does make one suspect that it will.
So there's evidence that it can be done badly enough that the problems show up in less than a year. That doesn't prove that more evidence will show up after a couple years, or five, but it does make one suspect that it will.