The treatment regimen has improved, so the patients have almost normal life today compared to 30 years ago. The risk of mother-to-children is also lower today, thanks to advancement in medicine.

But WHO is concerned on HIV resistance to some antiretroviral drugs

Further, we have PrEP so the spread is much reduced.

So, less transmission risk in combination with improved antiretroviral therapies gives us MUCH fewer people die from AIDS, making HIV to appear less deadly than what probably is.