>>13608097Duh? Look at the subchannels, all have exactly 112-114K subscribers. There are literal websites out there you can purchase YouTube subscribers. For most people, it's not worth the investment, but for Hololive, it more than pays for itself within the first week or two.
There's also this feature where if you're subscribed to a channel, you will automatically be subscribed to any of its sister channels. There's probably a lot of that going on as well.
All of this has been going on since 2010 and even before that. None of this is new.
