True ?

In theory, but when the cost to replace you is far higher then to keep you, and you are the bus factor of 1, they become your hostage.

Only technically, but people, resources, skill/experience, familiarity, and most importantly reach(yeah, there ARE people who can replace you, but it's not like everyone has access and knowledge of every person on earth) are all finite, so not always.
From another POV, "you are replaceable" doesn't necessarily mean "we can find someone BETTER than you".

In any work environment people should be replaceable, sure. There must be a pretty good reason to replace someone good though. In a non-work environment (aka life) people are most definitely not replaceable.

@NeedABreak nah. On LinkedIn, there are just useless freaks that would stress away how they like the quote and provide their equally useless assessment or ass licking to look better in their corporate jail.

That's kinda why unions exist. You can replace individual employees when they wear out, but not a whole union.

Surely it is possible to replace you - but so it is to replace them.

That's why you maximize your effort to paycheck ratio. Your employer couldn't give a flying fuck about you. No matter what they say,no matter what "relationship" you think you have with them remember they can and will throw you out to the wolves when you've outlived your usefulness.

My parents told me this my entire upbringing... So now I say it to them. Coincidentally, I am looking for better parents. Know anyone looking for a recycled and damaged son?

This sign is good....
Lets replace it.

Just a warning guys, never read this when your girlfriend is near by. 😶

@Demolishun In a work setting is one thing, but in a personal setting that's damn cold.

There is good but there is also good at the right place at the right time.

With a few a few exceptions of truly exceptional individuals it's more about place and time. So even if you can replace someone with equally good the displaced person has a lot of in context knowledge. It can take easily a year to regain that. A lot can happen to make the product or company irrelevant in that time.