[fastball]

Everything you're saying applies to union organizers though, which do exists before the union is formed.

And the entire point is that the union forming could be bad for workers in various ways, so if I was a worker I would want to be made aware of what could possibly go wrong before I joined the effort to unionize and no longer had a choice in the matter after the union is fully formed and going strong.

[Trombone12]

How could the organisers know what future members want then the company spend much effort on preventing workers from talking to each other?

[fastball]

How do companies spend so much effort preventing workers from talking to each other?