They’re not getting worked up, they’re comparing apples and oranges

An e-reader battery lasts a long time, so load it up with a bunch of good and useful books and that panel will be able to power it indefinitely

Paper books require neither and are almost equally waterproof. But i suppose if you already own both anyway that’s a solid tip.

I get you but it was worth the money you spent ≠ it earned back the money you spent.