Years earlier, she had asked a boss if he would let his children fly on a plane with the litany of flaws and non-conformances he was urging her to “pencil-whip”: “Cindy, none of these planes are staying in America, they’re all going overseas,” he retorted, much to her horror.
Planes they already have can’t really be grounded immediately without replacements. Buying replacements takes time and money. Negotiating contracts also takes time. Pre existing contracts tying a company to boeing probably exist in some places. There’s probably some incentive to not drop a somewhat strategic business on a whim. And maybe some people believe that boeing will start pulling their head out of their ass at some point.
And all that would be a hindrance assuming there is a will to stop buying boeing planes, AND move to another, potentially foreign business like Airbus.