If what you mean by 'chew toy' is Trump's twitter habit, not everyone agrees with you that it's harmed him. I don't, for one. Rush doesn't, for another. Here is Rush's quote:
"Rush Limbaugh
Yesterday at 7:13am •
Donald Trump's 140-character proclamations change the world every day. Donald Trump's tweets thwart and obstruct the unified effort of his enemies to destroy him. Donald Trump's tweets keep his supporters supporting him. Donald Trump's tweets are one of the best weapons he has against this all-out assault arrayed against him."
I am thinking of a story about the king who was going to send his people out to collect taxes from the farmers as their crops came in from harvest. On the first morning of harvest, criers came through the streets, shouting insults about the king. So the king sent his people out to track down these criers and arrest them. By sundown, he hadn't gotten any taxes collected, but he felt good that he'd put all of those criers out of business.
On the second morning, a breeze blew a piece of parchment through his window. He picked it up and saw that it was a poster. His people said that they'd been posted all throughout town, making a mockery of the king! Well, he couldn't let that stand! So he sent his people out to round them all up and stand watch over the print shops. No taxes were collected on the second day's harvest, but he'd put an end to that mockery!
On the third day, he woke and looked out his window, and there on the castle wall was a giant painting of him looking foolish. OH MY! His people were sent out to paint over the graffiti, and to stand watch over the paint shops. And that evening, the farmers went to sleep with the granaries full and not a penny collected, as the harvest was done for the year.
But at least nobody was making fun of the king...right?