53 to 62 is by no means young. It may not be elderly, but it's past middle aged.
The "ideal age" for a political leader is a bag of worms that it's difficult to get into without immediately falling into several different types of ageism.
The world lived in by a 60 year old for most of their adult life was radically different from the modern world, and has many differences from the world as experienced by the majority of Americans.
That doesn't necessarily make them a worse leader, just like more experience in life doesn't necessarily make them better, but it definitely raises concerns about disconnection from modern issues.
They have thoroughly nuked their bench. If we are still a democracy in the future they will have no one to take of the mantle but for clowns and hucksters.
Their bench is wackos. As much as I disagree with their positions, I do wish we had a stable Republican Party full of people who at least wanted to work in good faith and not set the place on fire to get their way.
For context, this is the cover of a 2010 book. These were going to be the guys. Surely one of this bunch will be president some day.
Eric Cantor was the House Majority Leader. That's a pretty big deal. He got primaried by a tea partier in 2014. It seems quaint now, but it was a big fucking deal at the time. Never has there been someone so high ranking that the party's electorate kicked out. Cantor was in good standing, but their public was becoming a monster.
The other two were more recently chewed up, but I'll let someone else tell those stories.