DMCA'ed? GitHub is owned by Microsoft, does it even make sense for Microsoft to DMCA itself? It can just remove the content, or leave it, it owns the copyright

DMCA'ed? GitHub is owned by Microsoft, does it even make sense for Microsoft to DMCA itself? It can just remove the content, or leave it, it owns the copyright and the platform, it can do whatever it wants (probably not, but IANAL). Or maybe it happened before the acquisition.