Google Cloud has level 1, and IBM Cloud level 4.
Why did Google not pursue level 4, and does it matter? If it does matter, under which circumstances would a company choose to select IBM Cloud due to this higher level?
Link to IBM: https://www.ibm.com/cloud/hyper-protect-crypto
The question changes then to why did Google not pursue level 4.
don't forget that google was partially funded by CIA and NSA grants