Why Colombia decided to cull 80 'cocaine hippos', that Anant Ambani is offering to relocate?

Colombian government decided to cull 80 hippos in the Magdalena River basin as they displaced native species and threatened local villagers. As per the environment minister, methods to control the animals, aka 'cocaine hippos' over their Pablo Escobar link, were "unsuccessful and expensive". despite neutering and moving some to zoos. Anant Ambani recently offered to relocate them to Vantara.