Age is relative, especially in sports.
People are achieving at such high levels in sports that we're consistently seeing the impossible, whether it's overcoming an age barrier or a handicap.
The scientific community would like to go to in vitro approaches. They're quicker, offer better information, and are more humane.
The problem is when they are overly focused on their kids and coaching or criticizing their kids.
The fact is parents spend time and money because that's their job. They are loving parents.