Other people said this above, but I will add my own anecdote I heard from a factory owner, that he had the ability to retool immediately back then to make medical masks, but between the uncertainty around whether people would keep buying them and at what cost, he was unsure it was worth the risk of switching away from a profitable business to something that would take less ability to make and less certain profits. I don’t know what he ended up choosing to do. But sounds like ‘not forthcoming’ is also possibly an indicator that skills, and the demand for them, is high—and not in decline.