I don't think that's true. Domain experts with the desire to create and experiment aren't going away any time soon.

It is getting a lot harder for those people to justify using OpenAI to assist such endeavours. Afterall, OpenAI might just front-run you if they hear a rumor you solved some marquee problem that they can brag about in PR campaigns.

Sure we are free to tinker, like the guys doing model railways. With about the same impact.