A lot of people really want this to break down on a left/moderate or old/young axis but it really doesn't, it's ultimately a cosmopolitan/herrenvolk one because the people most aggressively defending him are doing so from the implied understanding that the "soul of America" emanates from white men
On Bluesky the normies and the lefties are fighting over who is to blame for Platner, when the truth is it's both. He has tons of establishment money and support and Pod Save jackoff cheerleading behind him, but he ALSO panders loudly to Bernie Bros.
Worst of all possible Democrats basically.