The legislature finds that the operation of an adult family home without a license in violation of this chapter is a matter vitally affecting the public interest for the purpose of applying the consumer protection act, chapter
19.86 RCW. Operation of an adult family home without a license in violation of this chapter is not reasonable in relation to the development and preservation of business. Such a violation is an unfair or deceptive act in trade or commerce and an unfair method of competition for the purpose of applying the consumer protection act, chapter
19.86 RCW.