nothing is absolutely good/useful vs. not.
depends on how you do it other situtional parametes.
But the conet also affects learning. We see a smart move by a stupid person and we hate the idea.
So aesthetic context in acuiring knowledgeis suspicious. (it good many times, as our feelings many times convey generalizations as to where and what learn from).
But details of how you do things are crucial.
self control can be go or bad. (sometimes it denotes autism/rigidy/lifelessness + many times the cost of controlling oneself makes the whole xercie ueless and even negative). Love can be harmful. and so on.
A joke, a hug, and writing are not good or bad. Depends on how.