This is always bizarre because "evil exists" is taken as a given and I don't think it does. Evil is just a judgment call made by humans about the intentional and uncoerced actions of other humans; nothing less volitional than that can be argued as evil.
You can simply replace evil with suffering, or ig a christian context might say sin? The point is the paradox is a structure, if any choice of word makes it work, then it works.
All of these are points of view with no objective reality or meaning.
"Suffering" is a subjective experience that has no objective reality. Suffering does not "exist" it is a judgement about a condition made by the internal state of a living thing. It has no objective existence of it's own, only a description of a subjective state or feeling.
The real problem is starting with a false premise and expecting anything but absurdity at the other end.
Objectivity can by your own logic be subjective as it is a judgment about a concept made by the condition of general consensus. Have fun word smithing your way out of any conceptual discomfort or useful conveyance of thought related to the human condition.