You have it backwards: the NLRA guarantees the right _not_ to join a union unless the _employer_ decides otherwise (Sec. 7. [157.]) And in many states, under d

You have it backwards: the NLRA guarantees the right _not_ to join a union unless the _employer_ decides otherwise (Sec. 7. [157.]) And in many states, under deceptively named "right to work" laws, union-shops are illegal even if the employer agreed to them. Interestingly, while employers can not always require union membership as terms of employment, they can always require binding arbitration and non-competes which is the opposite of a "right to work"