I think it isnt worth it but in JP forums the hate for Mikeneko is coming back from the death thanks to this new model calling her a "traumatized bitch" and also "someone who doesnt move on" but i personally think she did this because her fans dont like her new models so she decided to have a familiar look in hope for returning viewersYou are missing the point. It's a fired employee who is trying to use her previous model by commissioning a new one that looks nearly identical to it. Not just random people who ended up with similar models because artist draws the same face
Hololive owns the IP, creator isn't related to it in any way whatsoever. And saying things like "unnecessary drama" and "isn't worth it" is a dangerous slippery slope into people abusing your rights and running rampant with blatant theft. Roboco used to be an exception, I don't know if the guy who made the model still owns it, but aside from that you sell the character to Hololive when you are commissioned