like for dems at least a presidents policies generally reflect median party view within some margin on either side and there are only some areas where personal view is going to override. And like that isn’t a small thing, Castro would’ve been infinitely better on immigration but it has limitations

But his doesn't. That's been the issue. He's said he wants to veto M4A, broke the strike and didn't address the precision rail scheduling nonsense or minimum staffing for railroad safety/union protections (but hey, now they can schedule time off), and his covid/climate management has been below avg.