The Republican establishment is a BIG part of the problem.
If Trump is ANYTHING he is NOT incompetent!
He didn't turn out to be competent to obtain the low rate loans to fund the Trump Taj Mahal he'd promised government authorities to win their approval for his huge plans. Instead he fell back on the high rate junk bond financing he'd testified wouldn't work and wouldn't be needed because of his unique 'competence.' And the Trump Taj Mahal fell into bankruptcy, hurting not only the big risk taking bond holders, but many little people and small businesses who weren't paid for what they'd done. And I don't see where those government authorities, to who Trump lied about his future Trump Taj Mahal financing, placed any consequences on Trump when the lies manifested. Had they revoked their permission when the junk bonds were issued the only loser would have been Trump. His project would have ended and its potential future employees and customers would have instead worked with other projects offering an honest chance.
I'm not saying Trump's competence is low, but it isn't universal, it isn't infinite and it provably isn't always what Trump hypes it to be. Even in the fields for which he's known for expertise. And not just the Trump Taj Mahal; there were plenty of other planned Trump developments that fell through. Even the, generally, low bar of claiming Trump is more competent than the GOPe isn't necessarily or always true. Yes, the GOPe, and the RATe for that matter, have botched deals even worse than the Trump Taj Mahal. But both are pretty competent at the politically valuable arts of lying and back stabbing. Is Trump more or less competent at them? History has yet to judge that comparison, but it can say that Trump is NOT incompetent at them.