DC’s sport yes pushy parents helps. As does having a “status” parent- an actor, successful sports person themselves, prestigious job or otherwise loaded. Anything that gets the kid noticed so they’re given extra opportunities.
not so much with the children themselves, but stuff like getting “in” with the GB officials, getting phone numbers, sending videos, pushing for their child to be on national squads. Meetings and discussions.
pushing for their child to train with certain coaches. I’ve seen a parent ask for other children to be removed from their child’s squad.
money. Money helps a lot.