This is sneering, where you don't respond to a particular poster's point, but instead attack a fictional group of people that you made up based on two the intersection of different attributes.

It's against the HN guidelines (https://news.ycombinator.com/newsguidelines.html), boring, unenlightening, not intellectually gratifying, degrades the quality of the site, and takes far less intelligence than the "mental equivalent of scurvy" that you name. Don't do it.