If the intent is to get people started down a good path, then it should focus on first steps, which is community organising.
The people who are already open to unions are already in them. Because of 50 years of neo-liberal shite people do not understand class consciousness and view themselves simply as isolated, powerless, consumers.
You can break that view of themselves through community efforts - like gardens, allotments, etc - because they demonstrate their own abilities to themselves, and how working together benefits us all.
And then, you can start pushing for more official efforts and organisation.
Sure, I don't disagree with that.
What I'm saying is you've structured this like an instruction manual, but have the steps in the wrong order.
In my experience with local organising (I'm a trustee of the local foodbank) doing the actions in the order you've laid out would cause the vast majority to disengage immediately, and I live in an area with higher than average unionisation and left wing tendencies.
You know that for a general strike to be successful it has to be massive - 10s of millions of workers - and in effect for a very long time. For that to be possible, people need to be secure in their housing, their access to food, and to heat. If any of those fail, the strike fails.
For those to be a success, parallel power structures - mutual aid, etc - need to already be in place.
So, if you want to structure this as a 3 step instruction manual, my recommendation is that it's