So they weren't already.
(Checks notes)
Yup, in 2008, when I was running IT strategy for a very large company, one of the rules we wrote into the IT guide for WFH/remote working was that all attendees should be verified outside of the call. And the team put quite some work into ensuring there were several ways (a camera being the easiest).
As I get older I have less patience for outfits that are authors of their own misfortune. Don't act like it comes as a surprise. (See also pandemic and business continuity disasters.
https://www.bbc.co.uk/news/articles/cg72k851dd8o