But they do value putting the company over yourself (and your real family).
This can probably have very toxic effects, if you are having problems at home for example (sick kids or whatever) and all they allways care about, is your performance right now. So definitely not the place for me - as I would never put a company over my children (and it sounds like this is expected, even though they would likely never phrase it this way), but there are people without family, who have their work as top priority, so this might work out for them.