The atmosphere is so heated, and the statements are getting more and more extreme. Let’s just assume Harris wins the election. After a campaign like this, how could you ever have a normal relationship with your pro-Trump neighbor/father-in-law/Uncle/Barber or what ever again?
Boycotting is a powerful tool and should be respected as much as voting
Not voting at all is just laziness.
Spoiled ballots may have some long term influence. But they have no power over the election being boycotted.