This was the bit that I think scared me at first. It’s not suggesting “Stop working now, and stay out of work until we get 10 million members and then Congress acts and then everything’s fixed”. More like “Add your name to a list, and WHEN there’s mass agreement, take the plunge so that there’s too many people for businesses to replace.”
This is very much a fair take - and ties back to the realities of the French Revolution. It wasn’t actually the poorest people on revolt, but a slightly more wealthy class that had just enough comfort in their lives to make decisions like organizing for change.
I know it’s not possible for every person to join. I can only ask for those capable to think about it. For what it’s worth, the original post has suggested other ways of contributing aside from attending.