I wonder whether this isn't in response to a recent NLRB decision in the U.S. that states that employment severance agreements may not contain non-disparagement clauses. This removes somewhat of an incentive for employee or ex-employee reviews of employers to be anonymous, or at least pseudonymous.

https://www.axios.com/2023/03/27/labor-board-says-non-disparagement-clauses-are-unlawful