Boar lures, boars will stop following for no reason

Well does not seem like. It is in Harooos list of bugs (which is pinned to top). In the last official answer it does not even get mentioned (see here: List of unfixed bugs - #96 by GMEvangelos). The discussion under that is (at least what I was thinking) about vill shooting back at boar when vill is assinged to a different ressource