Earlier quoted context omitted.
There’s a difference between what happened to Parler (vendors refusing to do business with them) and Facebook (relatively more self reliant).
Isn't Facebook dependent on backbone service providers at their data centers? Are those vendors at liberty to discontinue service? Edit: For a multitude of reasons - money, money, and money - I don't expect any vendors would discontinue service with Facebook. The question is more of a thought exercise.
Depends on their contracts and that’s all it depends on.