>>93723525The answer is it has good character designs.
This is probably the most important thing any animated work - whether it is traditionally animated, CG, produced in the west, produced in the east, produced on a big budget or small budget - can bring to the table.
Kemono Friends, for example, was a CG anime adaptation of a freemium game that had been shut down, had a budget of "2 cases of sake, some packs of raw ramen noodles (expired), a used Windows XP, and a pirated copy of Poser", and literally looked worse than fucking RWBY season 1.
Watch a few minutes of episode 1. It's fucking trash.
https://www.youtube.com/watch?v=iwkxM6-BVv4But it has really good character designs. That's the important thing. The actual animated program can be shit, but good character designs alone is all that's required for Danbooru to be plastered with nothing but Kemono Friends or Kancolle or RWBY or whatever.
This is likewise true for a great deal of other things, like let's say 'obscure waifus' for example. A bit character in a show is there for five seconds, but they have a good character design and that's enough to make them memorable. Have theories made about them. Even come to actually be made relevant when the creators get wind of it.
Look at Harley Quinn. Started out as a one time Joker henchmen in a Batman cartoon, now she's one of DC and WB's leading 'heroines'. All because she had a good design, way back when she was just a bit character.
You can also look at shows that fail miserably, like that new Scooby Doo show, which turned out to be pretty funny but had TERRIBLE character designs that made a bad first impression. Because that's what a character design is. A first impression. If you've made a positive impression in less than five seconds, you have a good chance of keeping an audience's attention for the next 20 min to an hour.