That's pretty much it. However, one should be very careful about saying things like "white male nerds need to..." as it's rarely so simple. IMHO it's best to avoid defining a group and suggesting what they ought to do, to the extent that it's possible.
Better to say that Scott Aaronson is wrong, and why.
What are you on about ? Your digital snarks do zero to change anything. But keep posting your funny little images with clever little statements. I'm sure that will be forth the change that you seem to seek.