(By saying this here below, I don't mean to make light of micro-aggressions, I am sure somebody will decide that I am belittling the idea of micro-aggressions. But I'll continue with my train of thought anyway.)

There is a big problem with usability and user experience that is a thread, a theme, a running train wreck, that goes through just about every computer/technical interaction I have with just about anything. That is: the nicks and cuts and bumps and scrapes and occasional razor-sharp rooster spurs of less that good user interfaces. This happens in everything pretty much in my experience. It happens in the context of mobile, desktop, web, embedded, consumer, industrial, commercial, medical, yadda etc., and it happens in their OSs, GUIs, and apps. Also in my experience 100% guaranteed in any and all programming languages & environments. Also in my experience 100% guaranteed with any kind of technology enabled/supported workflow like, say, telephone customer support, or, probably, say, voting machines (ha ha).

Anyway, I think when I try to describe the gestalt of these bad UX things as nicks and cuts, or slings and arrows, then it doesn't feel quite as accurately, forcefully descriptive as calling them micro-aggressions in the UI UX world. The point being that a single micro aggression maybe could be ignored or allowed to roll off your back (though that's not great, of course), but every additional one isn't just an additive insult+injury, it is more a multiplicative thing, even becoming exponential as you hit some threshold of pain and frustration.

Your individual "little" bug in your app is actually embedded in, swimming with, multiplying the impact of, all the other "little" bugs in the universe of technology. My nerves have already been rubbed raw by my stupid mobile or desktop environment, and then I also have to smack my face against the what now feels like brickwallminefield that is your bug.

So, yeah.