There's been a lot of posturing here over the years about how doesn't do layoffs, but we're starting to see that not even they are immune anymore. I hope everyone has some savings put aside if things really do turn to shit.
I predict that some of these companies will try to avoid the taint of layoffs by doing them in sneaky ways. One classic method is using "performance" reviews to reduce/deny bonuses and equity awards, or in some cases simply terminate people whose objective performance is fine. Another is to cancel projects or reorganize, offering the "opportunity" for an internal transfer except that many will be surprisingly unable…
The problem with people leaving voluntarily is that they’re often your best performers (and so have the best outside prospects) whereas the people who “have it good” are less likely to rock the boat.