The part about them not issuing regular progress reports since day 1 (a month or so ago) is, how these doctors put it, concerning.
Apart from that, I think jumping from monkeys to human experiments when the success rate is low feels either rush work or some high person in charge decided to go all-or-nothing.
I think it is unethical to test this technology on anyone who does not consent. It is too invasive and damaging. Our testing framework should be revised for brain interfaces.