Earlier quoted context omitted.
Can you actually point to a success story in changing an organization from the inside?
It's already happening within Facebook this gallant lad falling on his own sword was an important motivator I'm sure https://www.theverge.com/interface/2020/6/3/21278233/mark-zu...
Being willing to walk away is fundamental bargaining tool.
If some people quit over an issue, it strengthens the bargaining position of those who stay behind.
Both tactics are required.