Nothing she said suggested a deterioration beyond what would be normal for a person her age, but neither did it demonstrate any urgent engagement with the various crises facing the nation.
You could apply this to most senior ridiculously old Democrats. Democrats in Congress, like Joe Biden, are confused why so many Americans believe the nation is currently in a death spiral. From their point of view, everything is wonderful! Congress keeps saying, 'Americans simply do not understand how good they have it." That is because in their world, where you can simply vote yourself a 20% raise, everything is beautiful. What's the problem?
It's easy to call America a 'nation of complainers' when you are making millions a year, have a staff to spoon feed you and wipe your butt, and are not even required to show up for work. From their perspective America is better now than it has ever been.