In fact, actually having too much of a clue is a probably more of a liability when you're summoned to a meeting at the White House, as you might say something they'll hold you to.
> https://www.linkedin.com/in/mark-j-cox/
Brian Behlendorf is there from the newly formed Open Source Security Foundation, here's his resume, in the form of a Wikipedia entry because he was one of the OG developers for Apache Web Server:
https://en.wikipedia.org/wiki/Brian_Behlendorf
Executives from tech companies aren't usually just random MBAs -- they're often deeply technical people who ran engineering teams with huge impact.
Besides, they're not having a pair-coding session to ship a release to fix Log4J -- they're talking about a coordinated effort to prevent future vulns. Obviously engineering knowledge is necessary but the coordination aspect involves org-wide and industry-wide changes.
I've worked with a wide range of execs across several fields now and many of them are truly exceptional people with deeper understanding of their business's low level details than you'd expect.