Off the shelf embedding models definitely underpromise and overdeliver. In ten years I'd be very surprised if companies weren't fine-tuning embedding models for search based on their data in any competitive domains.
My startup (Atomic Canyon) developed embedding models for the nuclear energy space[0].
Let's just say that if you think off-the-shelf embedding models are going to work well with this kind of highly specialized content you're going to have a rough time.
