It could also be the case that they think that AGI could arrive at any moment but it's very uncertain when and only so many people can work on it simultaneously. So they spread out investments to also cover low uncertainty areas.
Of course they are. Why would you want revenue? If you show revenue, people will ask 'HOW MUCH?' and it will never be enough. The company that was the 100xer, the 1000xer is suddenly the 2x dog. But if you have NO revenue, you can say you're pre-revenue! You're a potential pure play... It's not about how much you earn, it's about how much you're worth. And who is worth the most? Companies that lose money!