I would have a massive problem with this. I don't believe that one lifelong monogamous relationship is the only setting in which sex is permissible, in fact, I would have hated to have had to had long boring preambles with unsuitable partners just to get some sex age 16 plus. Totally weird. No-one I know has actually done this either, so it's entirely unrealistic!
Contraception is a massive freedom for women and that's what I teach my girls. It has risks when choosing between types, but compared with unwanted pregnancy, or having a abortion, less risky, again it's a weird way to present something which the majority of both men and women use and which is beneficial to society as a whole in terms of a lower birthrate (unless this is a secret right wing plot to push the birthrate up).
Sexual promiscuity can be risky to your health if you don't protect it carefully, but if you use condoms and are sensible, it can be a lot of fun, very enjoyable and far better than settling down with Dave from two doors down for life just to get some sex action.
Saying teenagers shouldn't have sex- fine to explain why the age of consent is as it is, not reasonable or sensible to make this stigmatizing to teens who do have sex because you want them to seek advice, help and use contraception which means being open honest and transparent (they didn't say they would stigmatize it but it's all very sniffy). Plus why shouldn't 18 or 19 year old teens have sex?
I wouldn't be happy with this sex ed but I don't rely on the school to do that work for me anyway, I want my teens to be sex literate and sex savvy and this makes them more, not less likely to put off having sex til it's sensible and they are mature enough.