The actual support that matters is people's approval of the people they can vote for, ie, their own senators and congresspeople, which people (unsurprisingly, since they were elected) have a positive approval rating of.
> By more than two-to-one (56% to 26%), Americans say their local elected officials are doing a good job.[0]
Executive power is unchecked because people approve of their representatives not checking executive power (when it's their executive in power).
You can certainly argue that it's a matter of scale and "this time it's different" but it's always different and executive overreach is ever increasing. Trump is setting expectations for the next president, no matter which party they come from.
