Maybe but I think it’s more about they think in terms of unitary executive. So if there’s any discretion given the agencies - I don’t know in this case - SCOTUS lets the president decide.
In many ways this is more how a parliamentary democracy exists that a republic.
So we had this creeping loss of power to the president over time in the last 20 or 50 years, including investigations in the 1970s or dealing with Nixon. But Congress never really decided this in one big step, it just happened slowly by pushes from the heritage foundation and others. Congress can take back its power. There's a reason why the Republicans are trying to gerrymander the house so the Democrats don't get a majority. It wouldn't just fix it but it would be a start towards starting to block overreach
In many ways this is more how a parliamentary democracy exists that a republic.