i have worked in startups, and i don't mind the pressure that comes from the high risk a startup is taking, but when i see a 500+ employee company with a job ad

i have worked in startups, and i don't mind the pressure that comes from the high risk a startup is taking, but when i see a 500+ employee company with a job ad that says "you strive in a high pressure environment", then i wonder just what kind of pressure they are talking about.