The main thing is that Philippines citizens HUGELY support vigilante killings, and are begging for it to come back to Philippines. Mayor Osmena of Cebu and Duterte in Davao have always been for it, and now Osmena is back so is Duterte for president.
Also, aside from his rape comments, and his vigilante killing comments, he also says:
"
The best solution to rid the city (Davao City) of stray dogs is by shooting them or poisoning them."
definitely not the brightest guy on the planet, but seems raw and rugged