Not allowing to criticize is practically a law in some European countries
https://ppc.land/german-businesses-systematically-delete-cri...
A system being abused by mass-false-reports =/= "practically a law".
And the US with Oracle famously making it illegal to benchmark the performance of their database.
Nobody obeys this, right ? There's gotta be people anonymously posting performance results.
Because never before have we seen inverse power laws applied to table queries we were told would be faster than Postgres. They lied.