tbf, discovering Uranus was a lot less deadly before modern icebreaking ships. Age of Sail ships did not do well down there, and the economic incentives of sealing resulted in quite a lot of casualties back in the day. Doing math and peering through telescopes is much safer.
Eventually, yes, I think it will be. Not yet though, the tech just isn’t strong enough atm. But an AI is resistant to the emotional toll, burnout and low pay that a real life therapist has to struggle with. The AI therapist doesn’t need a therapist.
Personally though, I think this is going to be one of the first widespread, genuinely revolutionary things LLMs are capable of. Couple more years maybe? It won’t be able to handle complex problems, it’ll have to flag and refer those cases to a doctor. But basic health maintenance is simpler.