While the Seymour Hersh story seems unbelievable to me, so does the initial explanation that was being thrown around, that Russia did this as sabotage, e.g., https://www.washingtonpost.com/world/2022/09/28/nord-stream-... . The utter stupidity of that idea is along the sames lines as rhetoric, also present in OP, that Russia "weaponized" its gas pipelines. (To use that language, nearly anything can be a "weapon.") I'…
The idea that Russia would use it as a reminder that they could sabotage other pipelines doesn’t seem so far-fetched.
This is why the US publicly hated on the pipeline.