It was the Medicaid expansion that has been cited as saving lives [0]. An expansion that has almost nothing to do with the rest of the ACA.
> "There's a very clear type of fallacy you are engaging ... There's no intellectual rigor or honesty in that sort of thinking"
So you're claiming that the person who posted that is not only falling into a fallacy, but they are neither intellectually rigorous or honest? I think you're reading a lot into their comment which seemed pretty benign, but possibly contrary to your viewpoint?
[0] https://news.uchicago.edu/story/new-research-shows-medicaid-...