Historically, the most successful 'unions' have been the professional medical, legal, and engineering associations, since they've been delegated the right under

Historically, the most successful 'unions' have been the professional medical, legal, and engineering associations, since they've been delegated the right under law to control the number of practitioners. For IT unionization to work, you'd need to persuade government to treat it as an engineering profession and require licensure. Personally, I think the window of opportunity to professionalize IT has long since closed.