"... making an argument why something isn't good enough or unacceptable."

In my experience, it is because most things are not good enough or are unacceptable. You see this in software engineering, technology, and science. Not in this particular case necessarily, but most "innovations" can be shown to be impractical and not good enough through back of the envelope calculations. Yet, the discourse on the Internet is full of these useless things, including this stupidity I remember back at the height of Covid: https://news.sky.com/story/coronavirus-lg-unveils-battery-po...