Her comments verge on being concern trolling... but STILL. That headline mischaracterizes her comments.
But her tone was inappropriate and she showed she doesn't really understand the realities of business. It is very much about using your leverage. Businesses have an obligation to their shareholders to get the best deal and return on investment.
Trump's involvement was to sell Carrier that it was in Carrier's interest to stay and invest in America. Indiana sweetened the pot because it was in their populations best interest to do so.