Constantly saying "who cares?"
This. A lot of it has to do with 4cac. A lot of these kids are online alot. Much of their interactions are online, a lot of their friends are online, a lot of their entertainment is online, even a decent amount of their love lives are online. It is no surprise that their education and thus view of the world and even more so race, comes from online. The fact that people can even say "it's just online" prove how backwards and

they really are.
All these kids were consuming memes made by 4cac and thus culture made by 4cac so it is no surprise for them to take in the values espoused by said places. People can claim they will keep their kids offline, but the simple fact of the matter is, we literally had 4cac memes play a part in a major presidential election (Pepe the Frog) yet people will act like that shyt doesn't matter.
And a lot of people can say that they'll talk to their kids but even that can only do so much because the power of memes is in their ability, through subtle suggestion via repetition via humor, like a joke told over and over, is in how they alter one's perception and thus alter one's reality to the point that, like a lie told over and over, even when presented with the truth, these kids will only see the lie presented to them. We essentially have to create a counter-4cac to oppose the damage done by said culture, as wild as that seems or at the very least take over one. Twitter showed promise but then Elon took over. That was not an accident, however ego-driven it was.