Why would youth matter for an ATC?
Its a prerequisite I think the cutoff is 30 yrs old entering the field.
"As well as retirement age, starting age for controllers is mandated in some countries. In the US, the FAA states that controllers must start training by the age of 31. The only exception to this is for controllers retraining from a military air traffic controller role to a civilian one. This limit is set for a couple of different reasons.
Firstly, it allows workers to complete the minimum number of working years needed for pension eligibility. It is also related to the idea that the older someone is when they start training, the less likely they will complete the training successfully"