Not to mention ign-games (bad ik just an example) and gog and fitgirl-repacks and some others aren't blocked
Also on the LTT part, it's still not really piracy (partly because it's free) and Bilibili's ad revenue is quite low (partly because THEY HAVE NO ADS IN THE VIDEO PLAYER WTF HOW IS YOUTUBE STILL); it's perfectly plausible that they did it as a hobby