Given the labor market you could even argue those getting laid off are coming out ahead of those they're keeping. Getting laid off into a super tight labor market with that kind of severance package is almost like winning the lottery.
I want to make it clear that i'm 100% supportive of what Stripe is doing though. It's exceptionally generous and unorthodox to do this for your (soon to be former) employees.
These risks come with the territory; there's a whole rest of the world outside of Silicon Valley where things move a lot slower; beyond that, there's still another rest of the world where people are literally struggling to put food in their mouths.
Working in a startup and getting big salaries and stock options, but possibly losing said options, are all part of the risk of doing a startup, and the people who took the initial risks will always deserve a bigger piece of the pie.