Since Rav Shmuel Kaminetsky supposedly endorsed trump before the frum second wave, we don’t actually know if he still holds of the endorsement. Specifically, his basis was hakaras hatov, but does that still stand considering how trump misled us? Unless Rav Shmuel Kamenetsky reendorses trump, then we have to fall back on the halachic principle of safek derabanan lekula (even assuming that a rav’s political endorsement is binding in halacha).
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