There are no ethical choices under first-past-the-post voting. We must instead make a decision that reduces the most harm.
Got a secret for you: The Democrats would run us over with a tank if it were politically convenient.
And the fascists would do it gleefully, likely finding additional ways to incorporate cruelty and torture. Anti-electoralism is statistically indistinguishable from supporting the fascists or accelerationism. Accelerationism has no hard data showing that it actually works, only that it increases suffering.