> A similar approach was first tried in Los Angeles in the late 1980s and New York City in the early 1990s.

> Later, the Bush administration adopted the model, and cities and states started writing 10-year plans to end chronic homelessness.

...

> And even though many cities in the U.S. have also been doing this for a while, they still come to Utah to study why it's working so well here.

The article mentions several times that it's already being done. This isn't mutually exclusive with efforts to fight terrorism.