its a totally misconcieved view, The message has the culture of the that time in perspective, we are in a different culture nd time, the underlying principle is however the same, as Christians we are a light in the dark, thus if for example, prostitution is commonly attached with only bras, skirts and high heels for attire, as Christians we don't follow suit in the name of reaching out to them, a city set on hill cannot be hid.