Talking about Sakana saying aspiring vtubers need to check the cash flow situation of corpos, obviously the talent can ask the company directly, and the company can lie. However, that's the point, the talent needs to do her due diligence, ask around, talk to other vtubers, and contractors, etc. If a lot of people say "I don't get paid" then there may be an issue there.
Which just makes everything more fascinating because when Gen1 debuted Fish had no reputation, it was a clean slate, and he made it work. People forget that Gen2 was hired shortly after Gen1 debuted, the company still hadn't developed a huge reputation, so they still took on a gamble. And by the time Gen2 debuted they were already pretty good financially; Pippa was growing fast, coffee was brand new, and the new girls were doing their thing.