Earlier quoted context omitted.
I love this argument so much. "But judge, there's no way I could ever afford to buy those jewels, so stealing them must be OK."
The argument is more along the lines of, negotiating with millions of individuals each over a single copy of a work would cause the transaction costs to exceed the payments, and that kind of efficiency loss is the sort of thing fair use exists to prevent. It's not socially beneficial for the law to require you to create $2 in deadweight loss in order to transfer $1, and the cost to the author of not selling a single…
Rhetorical question, we all know that me reading books is not "transformative" so it won't be considered fair use for me to yoink them (transformative as in transforming more damage to the society at large into more money for the already rich).