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.

	▲	wtallis 39 minutes ago \| parent \| next [-]
		What you linked to is not really evidence, just an unsubstantiated allegation. Over the top public shaming is something that should be pretty easy to provide direct evidence of. When Linus Torvalds does it, it gets repeatedly brought up in forums like this for many years.
	▲	zahlman 11 minutes ago \| parent \| prev \| next [-]
		The point is to deter further contributions of the same form, including from other users.
	▲	samus 2 hours ago \| parent \| prev [-]
		This is not the first time the curl project complains about bogus and excessive bug reports.