Is Biden's old age a good or bad thing?

at 78, Joe Biden holds the record for the oldest president ever elected to office. Some, like his opponent, Donald Trump, have claimed this was a problem. That he was too old, weak, or frail to lead. Or that he has cognitive decline.
Other point to the changes he has seen over his life time, the experiences he has, the relationships he has fostered. They say that such an old man will have a larger perspective then a younger one when it comes to running the country.
What do you think, does age bring wisdom in this case?

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