Earlier quoted context omitted.
In economics, you often deal with situations where an asset has devalued below another asset's value. The first asset still has value, but relatively less than the second. This is different from an asset which has zero value. Some economists enjoy the wordplay of "worth less" (first meaning) vs "worthless" (second meaning) In this instance, it looks like the article is describing how increasing controls further deval…
The point here is that due to the factors the author noted (and probably others), the perceived value of options in nonpublic companies is now low enough that many (most?) candidates/employees no longer consider it relevant. I happen to agree with that choice, regardless of whether the expected value to the employee of the options is actually zero or just some very small number. We can debate the true ev of an option…
I think most people would like that, but options can be created out of thin air, while money cannot.