This would be enforced on a timeline far enough in the future that the backup plan wouldn't be an afterthought, but part of the live service concept. I bet it'd help out a lot of studios to ensure their entire infra can be hosted on a developer machine anyway.

Worst case you don't get what you want, but usually such bankrupt entities have successors that take on the liability the same way you'd take on liability for a lack of good data hygiene practices under GDPR.