Unethical uses are legitimate.

It’s your computer. It should do what it’s told.

Just means ‘you can’t stop me, neener neener.’

And people would rather demand change just because they say so, versus changing any of the incentives involved.

We could just make these companies share their scans. Then it would only affect one (1) copy of every published work. There are no ongoing commercial concerns for a book that’s been out-of-print for thirty years.

Copywriting means you work in advertising. Copyright is a different thing.