>>102254004The only reason the people who have graduated got so much success as indies is because they were the ones who really stuck out as different, had big dedicated fanbases and were able to handle managing themselves.
It's survivorship bias, the ones who left did so because they knew they had a good chance of making it. Not to mention if they like the type of non-stream content cover does, being in hololive is legit the easiest way to accomplish that.