>>63903568Because both parties are autistic. Holo actually perform quality and background checks, which is bound to have people get pushed back, not to mention their limited slots meaning that if someone auditioned before you, back to the waiting list (if one exists) you go.
Several girls auditioned many times, just because you didnt debut in gen 1 doesnt mean you are not good, it just means people got earlier, they had a stronger resume or they fit the character more.
On the other side of the pond, you have Indies that tasted Corpo and either felt disgusted or didnt ike that life. Miori might never go corpo again thanks to Tsunderia, and other girls might not want to do Idol shit.
Getting into HL requires you to commit to the Idol lifestyle, like it or not