Kids were on the internet back in the 2000's & early 2010's too. The real problem is that Millenials are doing a shitty job at parenting their kids in comparison to Gen X parents.
Or for that matter, China - China has 1.4 billion people and is 91% Han Chinese. White America literally put men on the Moon when most of China didn't have indoor plumbing. It's ok for them to be so massive & homogeneous yet we're monsters for having any sense of ethnic pride.