See this is where I'd be pissed if I were an ID fan. Since there's no prospects for profit, this is purely promotional charity, so why not give that opportunity to a branch that actually has an outside shot of doing something with it (and members that actually aren't 3views).
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HOLOSTARS (English)
@HOLOSTARSen
HOLOSTARS English 3D Live Concert Coming Soon!
All members of HOLOSTARS English will star in an online 3D live concert airing on September 27th at 8:00PM (PDT)! 
Official Hashtag: #HSEverglow
Details
holostars.hololivepro.com/en/news/202508
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