There are countless westaboos in the jap holo fandom that like Calli's rapping and think it's cool. Haven't you seen how they coom all over whenever she curses on stream? Hearing a fuck from the Texas Accent Idol is peak comedy that turns the chat into 草
Rawhide Kobayashi is not a meme but a representation of your average jap holofan. The corps know it and give Calli any collabs she can do.