The purpose of this chapter is to control, through zoning regulations, certain land uses that have a direct and detrimental effect on the character of the city's residential and commercial neighborhoods. The City Council specifically recognizes the sanctity and fundamental nature of free speech and does not intend to regulate or ban speech based on content. This chapter is intended to supercede the provisions of M.S. § 617.242, as it may be amended from time to time, and to render M.S. § 617.242 inapplicable as authorized by the statute.