One difference is that you can always quit the company you work for (which you voluntarily joined in the first place); it’s not so easy to leave your country, nor did you have any choice in where you were born.
Quitting a company that pays for your insurance, and likely deeply embedded itself in your social life, isn't "easy".
Acting like the corporate-employee relationship is the same as between, say, a uber-driver and an uber-passenger is ridiculous but it seems to me your model of employment.
I mean, that's great for you, but kind of sad, too. A good company that wants its employees to stick around should be integrating the social lives of its employees.
I fail to see how those are differences in regard to the feature raised in the post I was responding to. (Also, I'm not sure “what you must do to eat” is voluntary in any meaningful sense.)