As for your gripe about O2S and not winning loot: why didn't you buy the loot you wanted with the pages you received? 12 books is 2 pieces of gear - head, gloves, or boots. If BRD is your main, buy gear with your pages. I'd have to double check my gearset, but I know the headpiece that tier was BiS, and I'm fairly certain the boots were, too. Voila! Two pieces of BiS. That's the purpose of you getting a page each clear - in the event you don't get the piece you need, after a few weeks you can buy it. Sure there as aspects of the page system that could be worked upon, but it's much better than Coil, where if you didn't receive your loot as a drop, you were completely SOL until the next week, or the next, or the next.
It’s not the best situation, but I’ll take waiting and buying gear with pages over not having a system like it at all. I had to buy most of my gear in both Deltascape and Sigmascape with books thanks to RNG. Sure, I couldn’t use them on off-classes, but since I don’t play them nearly as much as I do BRD, the i360 gear is more than enough for them. Only reason I would need i370 is if I got real ballsy suddenly and decided to learn how to heal UwU—which isn’t on my list of things I want to do at the moment (maybe at a later date though).