Earlier quoted context omitted.
They are doing it the correct way. In order to get union recognition you need to get enough people in the company to sign union cards. This is the normal way to create a union. Companies argued that some people could be coerced and so the NLRB created a "two step" process in case the company protests the creation of the union. Basically if the company says "we don't think these cards were signed under proper circumst…
Interesting! Wasn't aware of this. Given that they know the company may invoke NLRB's process and require a second anonymous ballot anyway, can organizers not start with an anonymous one?
So to get a union you first need people to talk to their colleagues, and if the people they're talking to seem agreeable, get them to sign a card saying that they would like to be in a union. Once they have enough of these cards that have been signed by people who have spoken with union representatives and pledged their support for a union, they can go to the company and use the cards as proof that the union has broad support.
The idea that people are compelled to sign union cards is a bit of a fiction. Signing a union card is an act of bravery because it paints a target on your back especially if the union drive fails. It's documentary evidence that you're a troublemaker.