To answer your hypothetical...unlikely; it would have either gone without comment or it wouldn't have had the smilie added. The better question, no offense, but would be would the reactions be the same (full on defense, telling Jews to shut the fuck up because as another minority they know anti-Semitism better, victim inversion, or general whining) had it been a RW asshole who said the SAME thing?! Of course not! They past words of the RW'er in question would be part of the rationale for the accusation and the only people claiming it wasn't a dog-whistle would be RWers. The one thing BOTH sides are competent at doing is finding anti-Semitism on the other side, and they BOTH excel at ignoring the dog-whistles from their own side and gaslight or scream "racism/sexism/bigotry" to anyone, especially a Jew, when they dare to call out the anti-Semitism.
"Some of my best friends are XXX so I can't be YYY."
"She voted for Obama, so she can't be racist."
"He voted for Clinton in 2016, so he can't be sexist."
"Why must be call out bigotry on our side, when it so much worse on the other side?"
(All of the above would be called out as stupidity, 'splainin', or otherwise rejected as "nonsense" if any other example of a minority group expressing concern about bigotry against them.)
"It is bigoted to call out a minority person who expresses bigotry against another group, unless the minority making the bigoted remark is a Jew."
"It is just Russian propaganda!" (because the Russians care so much for the Jewish people!)
"It is a RW talking point!"
(Those are the other excuses popular in excusing anti-Semitism or trying to shame those who feel something is anti-Semitic.)
Of course, we are also called traitors, called paranoid and hysterical, and told we are being neurotic. It is as it has been for CENTURIES.
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