The problem with startups building hard tech is it takes a long time to fail. Failures that take decades doesn't work in the startup model. Image working on a fusion reactor. It might take 25 years to fail. The failure may not be that your idea doesn't work, but because some other kind of reactor comes along that is a better business (ie, cheaper). At this point, you are now a world class expert at a technology that…
> At this point, you are now a world class expert at a technology that is not economically viable. But, you can't transfer that knowledge, or at least most of it.
I strongly suspect that anyone who can become a world class tech expert to the point where they can push at the boundaries of what's possible has transferable skills.
Now, that's a different statement from "can get hired on transferable skills," at least depending on the capacity of hiring insights in the industry at large. But I figure it needs to be said lest we reinforce the problem.