Now that the Democrats won, can someone please explain to me what Medicare for ”ALL” is?

Now that the Democrats won, can someone please explain to me what Medicare for ”ALL” is?
Updates
13 h
Certainly “ALL” can’t mean “ALL”! I've also learned that it's racist to have to prove who you are via identification.
Updates
9 h
Stop talking about the emergency room. Just focus on the question I asked.
Now that the Democrats won, can someone please explain to me what Medicare for ”ALL” is?
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