Unless you have seen the contracts signed you can't know that. Xitter is no longer a public company and as a private company has absolutely no such requirement.
While Burwell v. Hobby Lobby might be controversial it is still remarkable coming from such a high court to include this:
> While it is certainly true that a central objective of for-profit corporations is to make money, modern corporate law does not require for-profit corporations to pursue profit at the expense of everything else, and many do not do so.