This seems too considerate to Meta. IMO, part of Meta's intention is to hurt SimulaVR. It wouldn't be by accident.
AIUI, the reason that courts order cooperation for this sort of thing is that every party deserves the right in court to defend themselves as best as is possible. If in order to defend themselves they require information that they cannot present themselves but that someone else can (say your alibi was being at work - your boss could confirm that), then it becomes that party's civic duty to cooperate with the courts and make sure that the appropriate information can be yielded to ensure a just decision. If there are concerns about cost or potential secrecy/privacy implications, someone who is subpoenaed can bring that up with the judge who can then work with all parties to appropriately manage the situation.
How is that compatible with the 5th amendment?
and who decides if you can or cannot incriminate yourself?
The system could also consider your testimony to be so important as to proclaim that you shall not be prosecutable for anything that you say as part of your testimony.
Of course, all of this applies only to things within your mind. You cannot use the 5th to get out of presenting any and all existing materials that may even be perceived to be relevant to the court order. That's likely to be as initially broad as emails, business plans and documents, road maps, etc. Obviously, impeding these efforts would be contempt of court or (in the case that you destroy anything) possibly worse.
In practice though, your attorney works with the court and other parties' attorneys to identify what exactly would be relevant to the case and if any special secrecy regarding those materials and testimony is warranted. Case gets worked out, life moves on.