Read Team of Rivals by Doris Kearns Goodwin, and get back to us.
There are countless other examples, but I'll let Lincoln's remarkable appointments of William Seward (Secretary of State), Salmon Chase (Secretary of the Treasury) and Edward Bates (Attorney General) serve to rebut your ridiculous assertion above.
Not only were they competent, they all disliked Lincoln immensely.
Here's a list of "across party line" appointments by both Republican and Democratic Presidents in case you need more data. Click.....
Stop with the facts already. They know the truth from Fox News, OAN, Alex Jones and don't forget the Washington Sentinel (whatever the hell that is. Try and even find it online.) I thought it was common knowledge about the diverse cabinets that many presidents have engaged. Trump, Mr. Businessman, can't even keep most of his cabinet members more than six months. It's all right here in this fake news from this fake news site. Trump Has Now Had More Cabinet Turnover Than Reagan, Obama and the Two Bushes. Of course all the numbers are fake because no president can possibly be this incompetent and still be admired for bringing his business experience to the White House.What CEO would not have been booted a long time ago?