That is a technically in terms only. So apologies for using "closed"
[1] instead of "union"[1] shop which are functionally the same thing, and Union Shops still very much exist which is clear from my description of what I was talking about in my comment, (i.e I clearly stated employees were required to join the union post hire)
Right to Work states are a counter to Union Shops, which there is active efforts to do away with Right to Work laws
[1]Closed Shop
A company that only employs union members and requires them to secure and maintain union membership as a condition of employment.
[2]Union Shop
A company that doesn’t require employees to join a union in order to be hired, but they must join within 30 days of employment.
