A good rule of thumb is that the more a corporation talks about "culture", the more the employees should be wary that they are getting fleeced. A lot of companies have realized that they get employees to work harder for less if they are able to get the employees to develop some sort of emotional attachment to the company. If you as an employee are getting a lot of push about "company culture" and the company is tryin…
That's a choice though. If you care enough to put in some extra time ... you've chosen to care. There's no "fleecing" with that.
It's common (i think) to just start work, play along, make friends and skip many valuable versions of item 1. I skip it often... but i know people who pay a lot of attention. Like lawyer level attention to the mechanics of a relationship, what's being said and what is being exchange, and how are people being influenced.
Some places feel like company is out harvesting black hat social engineers to work against their employees. Excuse the language, i don't mean this in any alarmist tone. But anecdotally i've felt this and mostly (sadly) ignored the feeling out of laziness or lack of awareness or cause.