So it's this very pervasive, almost universal shared experience there. Totally different than my experience as a kid in the 80s that did indoor soccer briefly.
One observation my friend made while we were talking about this one time down there, is that basketball plays a similar role in the US. Yeah you need a hoop not just a ball, but that ends up approachable. In fact my neighbor down the block keeps a portable hoop set up in the parking strip so long as it's dry out, and right now a couple kids are playing some casual 1 on 1 lol.
Anyhow it's really clear that having a huge community available with few barriers to play and learn makes a huge difference.
Now that I think about it another similar experience was seeing my ex that grew up in Taiwan play some ping pong in a bar here in the US. She didn't particularly care about ping pong or play it much, but because she was immersed in it at school as a kid she could still smoke anyone in that bar easily lol.