For apikorsim he says – tahlit sin’a sene’tim. Sin’ah without qualification.
How that fits with contemporary habad theology and habad practise is a mystery.”
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Yb, the answer is that there is no true apikorsim today (Frierdiker Rebbe).
Acher was a true apikoros because he knew Hashems greatness and became an apikoros anyway.
Todays “apikorsim” are wannabes and lacking any true knowledge of Hashem and Yiddishkeit
[CS]
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So you disagree with sechel that tahlit hasin’a , is talking about david hamelech only, and not to us ?