Don’t shoot the messenger here, but blaming Trump for everything has turned out to be an effective political strategy, at least enough to keep him in the running. I don’t like it any more than you do, but given Trump’s abysmal character, he’s a pretty big target.
And it’s really Trump’s moral character that has turned many off from voting for him, myself included. While I admittedly lean left, if the Republican nominee was someone who I could respect as a person, it’d make me at least consider voting Republican. I probably wouldn’t in the end, but I’d still consider them.
Yeah, Biden hasn’t been the best president by far, but I personally can’t consider voting for the alternative. And while I wish Biden would campaign more on strengths that have flown under the radar, his attacks on Trump have proven to work, which is why he sticks to it