That's because putting a Trump sign in your yard can get you killed by mostly peaceful Biden voters. No one has been attacked for putting up a Biden sign.
Yep! A deaths head is exactly the right symbol for the man responsible for a bungled response to a pandemic
It is a different story because Hillary didn't believe in yard signs. She instead decided that creating badges and avatars people could post on their social media profiles was the way to win. After all, announcing her candidacy by youtube instead of in a room full of cheering people really energized her base.