I don’t think you understand, this moment, this slaughter of Palestinians, it is the announcement of a new world order for the western world. A new era of western governments turning inwards and enacting massive amounts of violence towards their own people.
There is only one correct response to that, and it is to treat it as a red line. Failing to do so is catastrophic. Letting Biden win without having to deal with this is incredibly dangerous and is a classic liberal/centrist perspective of appeasing the forces of fascism until it is too late.