Only because you've chosen a certain definition of stability. For most people, I'd bet leaving a job voluntarily for a new opportunity yields a higher sense of stability than enduring getting laid off, having your teammates get laid off, or having your org structure drastically change.

> than enduring getting laid off

“Probability of job loss is strongly monotonically declining in tenure,” with job-loss probability falling from 15% for first-year private sector employees to 5.8% after twenty years [1].

(If you’ve ever had to do lay-offs, you know that it’s easier to lay off the new guy than someone with deep ties to the team.)

[1] https://www.princeton.edu/~ceps/workingpapers/171farber.pdf page 31, Figure 16