You are making a scientific, ecological claim: "The ecosystem has evolved around their absence." Zero evidence, zero citation. Where is your data that this is

You are making a scientific, ecological claim: "The ecosystem has evolved around their absence." Zero evidence, zero citation. Where is your data that this is going to harm the ecosystem? I could spout off an opposing view easily, that apex predators enhance ecosystems by culling herds and allowing balance between herbivores and their plant-based food sources.