Because they aren't. The first is only a problem because of the second. By solving the first, you continue to allow the second to be a problem. It let's us all continue to ignore it.

This is the equivalent of saying "technical debt isn't a problem, the business priorities are a problem." Yes, the business priorities caused the technical debt, but you have to pay down the technical debt as well. Throwing out 15 years of the results of a bad culture is meaningful to hundreds, if not thousands of people whose sentences were lifted. So, too, is changing the culture. They are not mutually exclusive.