Because they do not provide significant value to the company that isn't fungible. They learned how valuable they were to the company: less value than the hassl

Because they do not provide significant value to the company that isn't fungible. They learned how valuable they were to the company: less value than the hassle of dealing with their petition. They dramatically overrated their value, what the company thought it was already giving them, and what they deserved as a result. Entitlement can mean various things, but in terms of acting entitled in the workplace, it's a pretty good example.