You make a reasonable argument. In 2003-6 I helped out Viet Cervical cancer project on screening models for Pap smears to detect cervical cancer. Vietnamese incidence was high. Vietnamese public health organization was well organized and effective. Some lessons learned were published in Systems Analysis of Real-World Obstacles to Successful Cervical Cancer Prevention in Developing Countries

https://ajph.aphapublications.org/doi/full/10.2105/AJPH.2004...