I think "we will ban and publicly shame you if you waste our time" is a very clear and adult boundary.
It could be a childish overreaction. See this comment: https://news.ycombinator.com/item?id=46718635
As always it depends on the circumstances, but should default to quietly closing with WONTFIX. Others have said Daniel is typically helpful and respectful so there we go.
i remember my first time being a chanop on IRC.