Sure. DPA was not invoked only few days ago. Companies were not already threatened openly ( and not so openly ) to obey or else. Companies are effectively expected to volunteer their services or risk consequences from government( and potential bad PR ).
None of those facts indicate directly that this wasn't privately driven. They suggest reasons to be skeptical but, at the same time, it's highly unlikely they developed this spec since the DPA was invoked. These companies have been threatened by the Trump White House for years and did nothing to show they succumbed to them. The risk of bad PR hasn't stopped companies from committing sins.
Sometimes, especially in crises, people like actually want to help other people.