This article seems to have a bizarre assumption all the way through that the schools must use Microsoft 365.
Obviously Microsoft is failing morally and probably legally (what else is new), but the schools also have a moral and legal requirement to choose software which protects the rights of the children. Microsoft is sort of right in the way they surely didn’t mean; schools have the responsibility to not use Microsoft 365.
If it doesn’t fulfill the requirements it’s not any kind of solution