We didn't note any specific problems. What we're saying about the sharing of analysis results is that, given how serious the problem of drunk driving is, taking mandatory samples from people who are not suspected of drunk driving could well be justified. The social problem of drunk driving is a major one.
If the test results are used for another regulatory purpose that is much less pressing, such as obtaining a fishing licence, it no longer works. There's no longer a connection between compliance with a legal obligation for an important state purpose, and the ultimate use in that example—that is, a fishing licence issue.