but my (not really my) conspiracy theory for this is the opposite of open source: when someone is good at cracking games companies like denuvo track them down and offer them jobs to harden their product and take another cracker out of the scene. like I bet denuvo is just filled with nerds that spent their teenage years in sketchy irc rooms with handles like -DooMSlAyEr- and used to actually be members of razor1911 before they realized they could get game companies to pay them 200k a year
You can also use komf alongside komga/kavita to just scrape metadata automatically upon import. A bit finnicky to get going (a tampermonkey script is required to give it accessible setting on the komga page) but works very well and even has a gui for identifying results and selecting the correct option if the auto scrape fails similar to jellyfin
For the actual reader part I just use komga as a server and read through Mihon (one of the tachiyomi forks) on my ereader mostly. occasionally I’ll use paperback on my iphone (although recently I’ve been trying Tachimanga, which is basically an iOS tachiyomi fork). Loads library, can sort by tag/library/date added, reads most things very well, can sync read status with the komga server (and/or manga updates or whatever), etc.