The other man already does, for two years, things that made hundreds of thousands people die, get wounded, suffer, etc.
You are asking how people do not understand that you want Trump to be dead because he might hurt people you love, surely with your empathy skills you will be able to understand how people might hate Biden (and perhaps even want to see him dead as well) for what he did (and continues doing)?
Or is it only sad when the people you love are suffering? The other people do matter, right?