The writer and, also probably everyone quoted in the article, is confused about what a "sanctuary city" is. It means that local law enforcement will not assist

The writer and, also probably everyone quoted in the article, is confused about what a "sanctuary city" is. It means that local law enforcement will not assist the federal government in enforcing immigration law. Thus, a city can simultaneously be a "sanctuary city" and also decline to devote public resources to housing illegal immigrants. It is not necessarily or totally inconsistent or hypocritical for someone to say "I do not want my local government to help enforce immigration law" or "sure, illegal immigrants can get drivers licenses, why not", and also say "I do not want what is essentially a refugee camp in my neighborhood".