The Rosenbergs were neither in a position to steal nuclear secrets or to understand what they had if secrets fell into their hands accidentally.
Ethel had absolutely nothing to do with it, as it was her brother in law who named her because the FBI threatened to implicate his wife if he didn't, as he later recanted his testimony. A mother with two young children murdered by Hoovers men in one of the sickest forms of execution ever invented.
You Yanks might think you did something just, even though there was not a shred of evidence against either of them.
The rest of the world just remembers the horror of the whole disgusting spectacle.
Hang your heads in shame!