I don't think calling you racist will be productive. But I am perfectly happy to call you uninterested in reasoned debate if you cannot produce even the slightest shred at evidence here.

> 2. This is difficult to quantify, maybe it's gotten worse - the underlying issue remains.

So you have no reason why representation would worsen other than "maybe."

> You will not see black kids from double-educated-parent households from the suburbs struggling in academia or the workforce.

Again, can you provide evidence here? One form of evidence is looking at the number of students from such households who go to college for CS, and what the proportions are by race of people who get hired and promoted in tech. If those proportions are on par with the number who graduate college, then you'll have demonstrated your claim.