Funnily enough one of the points where Arch distinguishes themselves from other distros is that they’re not strict about only including free software in their repos and are completely fine with including proprietary software alongside foss. There’s Parabola if you want Arch but with a strong political line on free software
Paperback. For big books maybe hardcover so it stays in one piece, but tbh all the 1000+ page books I have are still paperbacks. Even if they were the same price, I think paperbacks are easier to hold and read since they’re more flexible. But the sturdiness of hardbacks can be nice sometimes