Summary: "By the Stalinist era of the 1930s, it was clear that the party and government made the rules and that the trade unions were not permitted to challenge them in any substantial way," Wikipedia says
Even if one can see/find a link to "the study" (in the Bezos-controlled publication), most people won't look any further and just take everything at face value.
The FSF led by Geoffrey S. Knauth with his friend Richard Stallman in the FSF's Board [...] Let's encourage people to adopt GNU/Linux. There has never been a better time.
Summary: "By the Stalinist era of the 1930s, it was clear that the party and government made the rules and that the trade unions were not permitted to challenge them in any substantial way," Wikipedia says