"We all thought UST and Anchor were a source of stable >10%/yr gains that you could trust for your corporate treasury. That the yield instead turned out to be -99% is quite disappointing, and makes this a natural time for us to bring our service to an end. It's been a pleasure to serve you."
Don't you need a board resolution to be able to open any financial accounts, yet alone to invest into risky or leveraged assets?
Unless they were targeting crypto projects/companies that usually don't care about legal stuff.