Can't see full article either but can see how in a very short space they mention New Zealand three times.
Then there's a giant leap equating full decriminalisation of prostitution to lowering the spread of HIV. There is no evidence whatsoever for this. What they are doing is comparing countries where it is completely illegal like in Africa to countries where it is legal like Germany and saying "look - less cases of HIV in Germany compared to Africa therefore decriminalisation is good for lowering HIV".
New Zealand being heralded as the utopia of prostitution is manipulative. NZ has a very sparce population. It's remote so it's not attractive for sex tourists. Trafficking has likely gone up but there is simply not the population based demand for the services compared to other countries so the outcome of their legal change is completely different to how it is / would be in other countries.
Why aren't they referencing Germany three times? Because they know Germany has had such serious problems with trafficking, other associated crimes including violence so much that they've had to tighten up on laws and regulations making it now very very hard to register as a worker there or set up an establishment for workers it may as well just be illegal.
In Amsterdam it was found 70-80% of prostitutes are trafficked. Forced to work or receive beatings, don't earn enough and you get kicked to the streets, the percentage you pay to your "host" leaves you will barely enough. This is the reality for "legalised" prostitutes. Amsterdam have had to tighten up on laws.
In these countries a job can be as low as €10.
I completely agree that working as a prostitute should not be illegal. Maybe I'm fatalistic but women will always be coerced or bribed into sex one way or another so I don't think being bribed or offering sex in desperation should be a crime.
Regulation of a legal sex trade would be acceptable but in practice it does not work.
I do not believe the sex trade should ever be promoted as a "normal" job (that you do at your "workplace" experiencing violence and rape and risk of contracting std's) because the reality of the work is inhumane and brutal.
I basically support the Nordic Model, but the partial criminalisation model (illegal to run an establishment but not to work in one etc) we have in the UK is good enough.