Remember when the American left completely failed to achieve any concession on healthcare during Covid because they were so afraid of being seen as touting right wing conspiracy theories? Same principles here.
To achieve concessions you need power, and the American left doesn't have any of that. Both electorally and amongst the masses. We had a historical rebellion at that same time and barely got concessions from those (and in many cases the reactionaries got further concessions).
If your analysis of those failures starts with some posts you saw on twitter (and there's plenty of contrary evidence of the 'left' organizing, albeit ineffectively, around health care), you're missing the forest for the trees.
it's so ham-fisted I could see it being something elon did himself instead of directing a minion to do