I guess it does not have enough demand since there are few native linux games, few people use linux (around 3%) and because of compatibility layers like proton and wine. Sometimes you can find linux native games on 1337x if you add linux in your query, but those are few and often outdated.

If around 58% is equivalent to 99.9% that is, and as long as this source is correct.

doas amen

It's always best to to say in peace twice to express how important it is.

I find it to be a nicer library.

Sadly it only supports Windows.

PDF isn't an ebook format which is why EPUB is usually preferred.