Mikusagi
In Sweden it's legal to sell sex, but not to buy. I think it's because the prostitute should be safe. If ey get threatened or so in eir work, ey can go to the police without being arrested for selling sex.
But yeah I think both selling and buying should be legal. People should be able to choose their view on sex. If you don't like buying sex, then don't buy it. If you like it and can afford it, buy it.
It's not dangerous. Drugs are dangerous, I can see why they are illegal. Sex however, is not. If drugs should be illegal, then so should cigarettes, guns, and anything else that can cause harm to one's body.
And sex can be dangerous because through sex, one can contract an STD.
Anyway, back to the topic, I agree with the OP: prostitution should be legal.