Anybody who understands the principles of organizing knows that you do it at the local level.
You have to be a TM, get the people together on the store level, get union backing and then move on to the next store.
Trying to do it from the top down is not going to work.
My grandfather was an organizer for the IWW.
He would go to work in the area they wanted to organize, one they knew was in horrible shape.
He would get to know the people, their needs, their wants, and educate them about the IWW.
This would include talking about what the union dues were for, what a tiny percentage of your paycheck they are compared to what you get for them, the structure involved for representation, how you can vote to get the representation you want, how it is your union.
Once enough people were behind them the union would come in.
Once things were set up, he would move on.
You can talk about the value of a union here but you aren't going to be able to organize, not like that.
Go to your local union, most of them have classes on how to organize.
I belong to a union in my current job and believe heavily in them.
This country wouldn't be where it is without them.
However, if you want to organize Target this isn't the way to go about it.