I'm well aware of the meaning of both words. Enough to know that the meaning of 'literally' has actually been shifting for over a decade at this point, but I'm sure as the local representative of the definition police you know all about that.
I'm also well aware that 'What about you, huh?!' is just a reworded version of 'I know you are but what am I?' which is a five year old's argument. And while we're on the subject, 'You used a word wrong so you're just a stupid-head!' is also very much a five year old's argument.
So if you want an example of irony, I'd say there's plenty to be found in the self-appointed champion of maturity who apparently has no better defense than limp playground insults and childish deflection.
I don't think there's any good evidence at all to support the idea that they have anything to do with the Quantum Bands. But I also don't see any evidence that they have any automatic defense capabilities. After the end of last week's episode I'm not entirely convinced the bracelets will even still be necessary for her to use her powers by the end of the show, though we'll have to see where the finale goes.