Setting aside whether the two groups you name are likely suspects, the fact that both public identities and open institutional affiliations does not contradict the hypothesis that a government did it.
For historic precedents, see for example Wikipedia on "Project MKUltra", or the book "Subversives: The FBI's War on Student Radicals and Reagan's Rise to Power" by Seth Rosenfeld.
PG remarks that there were probably peer reviewers but none has stepped forward. Either of the two examples I gave illustrates how long and how tightly private-sector collaborators with secret government projects can keep their mouths shut.
For historic precedents, see for example Wikipedia on "Project MKUltra", or the book "Subversives: The FBI's War on Student Radicals and Reagan's Rise to Power" by Seth Rosenfeld.
PG remarks that there were probably peer reviewers but none has stepped forward. Either of the two examples I gave illustrates how long and how tightly private-sector collaborators with secret government projects can keep their mouths shut.