From my experience HN (and reddit) is surprisingly anti-union. Thats probably got more to do with the vehement anti-union streak in America and capitalist trends though.

HN is fairly anti-union, though it's probably because tech is fairly libertarian and dislikes the notion of unions. It just so happens that management and rank and file employees have similar views.

Well the clique here seems to be all in when they have no direct loss in such an assertion but the companies recently in the news with union concerns are/were all darlings here at one time or another. Yet their leadership which qualifies under your statement objects to the idea of a union operating over their employees.

no one wants added cost or loss of control in their company and I am sure many in leadership positions think they are doing far more than is perceived by the line workers.

in the US unions earned their bad reputation but are a very strong political force at the state level because of public employee unions. we have sufficient laws to protect workers in any industry these days but it was not the case fifty or a hundred years ago. today's unions are more about the political power they can wield than the workers they protect.