It doesn't make sense, but often people who set up K8s at home do it for educational reasons or just having a playground so they are more capable at administering systems like that at work.
Sure, using K8S in your learning envornment because you're managing 800 different services in your dayjob is fine. Personally I have my learning environment as part of my day job though.
At home I just want things to work, hence a nice simple LAMP