Digital technology can be a great resource, but it can also be a pernicious one, so it's how we, as a society, really study the cognitive impact of that and use evidence-based research to go after the technology designers to do a better job of dealing with the problems of memory and attention we are seeing.

Versification is, indeed, indispensable for music, but rhyme, solely for rhyming's sake, most pernicious.

What is morally wrong can never be advantageous, even when it enables you to make some gain that you believe to be to your advantage. The mere act of believing that some wrongful course of action constitutes an advantage is pernicious.