Slowly being disabled in excruciating pain due to a parasite is a bad experience. This can be universally agreed upon. I'd love to hear why this is neither good

Slowly being disabled in excruciating pain due to a parasite is a bad experience. This can be universally agreed upon. I'd love to hear why this is neither good nor bad without you importing an external dependency like moral relativism or cute idioms like "circle of life."