If your kid is good. If they get invited to team select camps and tryouts. If they then get accepted on to a team. If you then biller them.
The costs can be as high as $40k a year or more from living out, equipment, travel, food, studies and more.
If people genuinely think that's affordable good for them and their high earnings.
For the majority though, it's absolutely not affordable.
Ironically, in Canada we are seeing a sizeable amount of US born players entering camps and the pike as for them it is 40% cheaper to send their kids to Canada than it is to keep them at home with the exchange rates.