While many things have changed since the time of Parent du Châtelet, prostitution really has not. Societies, states, and countries are still conflicted over how to deal with it, yet prostitutes continue to have customers.
The four main legislative ideologies regarding prostitution take different approaches to questions regarding individual agency and the role of government. And so far, no one ideology has been seen worldwide as better than the rest.
Nineteenth century France may seem medieval thanks to many of its laws and customs. However, the Parisian system of regulations for prostitutes can actually be seen as quite liberal - many countries currently have laws that aren't as tolerant. The French legislation served as a model for all of Europe’s prostitution laws in later years. Therefore, it is important to recognize both its importance and its influence.