This subchapter is not intended to aid religion. This subchapter is intended to aid persons with a chemical dependency by supporting programs that serve the valid public purpose of combating chemical dependency, regardless of whether the programs are religious, spiritual, or ecclesiastical in nature. The exemption of faith-based chemical dependency treatment programs from licensure and regulation is not an endorsement or sponsorship by the state of the religious character, expression, beliefs, doctrines, or practices of the treatment programs.