The phrase "treated as expendable" is correct and can be used in written English.
It means that something or someone is considered as disposable, not valuable or replaceable. Example: In many companies, interns are often treated as expendable and given menial tasks that no one else wants to do.
It should never be acceptable to us that people are treated as expendable — any people.
Many of the foreign recruits to Isis are thought to be treated as expendable, based on the testimony of fighters who have fled the conflict zones.
The odds have been slightly in favor of their extending their careers, in other words — but they are also treated as expendable commodities.
If the arts can be celebrated as catalysts for improved performance in other subjects — the subjects that are tested and therefore respected — the hope is they won't get treated as expendable frills.
Political arguments today, Mr. Truman and others said, like the fight over the proposed Yucca Mountain nuclear waste storage facility in Nevada, hark back to that moment, when fears began to grow that the West was being treated as expendable and that the government could and would run roughshod over local concerns.
Robert Campbell suggests that over-fifties who have been treated as "expendable" by their corporation should consider working for themselves: "Statistically, businesses started by entrepreneurs in their fifties have a greater chance of success than those launched by people in their thirties".
Urban agriculture remains a patchwork of city programs, making it easy for any individual agency to treat as expendable.
"The fact is that young women are treated as an expendable resource".
While Tate are far from the worse company around, agency staff are treated as both cheap and expendable.
Similarly, the employer, considers the employee as something (yes although human, they are nevertheless treated as a "resource," a "thing") expendable that can be replaced whenever necessary.
Long before ascending to the Supreme Court, Thurgood Marshall battled the death penalty on behalf of Black lives in the South that were diminished and treated as inconsequential, cheap, abbreviated, and expendable.
