But the answers to these questions aren't clear and up for debate. What is harder to argue is whether the person directing everything and with a bird's eye view of the direction of the company is culpable for that company's misdeeds. I think this makes it more clear to blame Mark than "all the other employees."
When your livelihood is funded by this kind of vile deception and manipulation, your actions are undoubtedly immoral.
you might not like the messy reality, but there are lots of my former coworkers who feel inclined to stick around because of their work visa, or to pay off their loans, or because they felt their FB offer was a lucky break and they want to best support their kids.
if you're not responsible for all violence or oppression in your nation as a citizen, trust me—folks employed by a given employer are likewise not wholly culpable for the actions of their companies.