No vote is guaranteed, and some people either won't vote or will throw it away (just like in 2016). Heck, I thought of voting third party in 2016 but I didn't in the end b/c I knew a reality TV star who only cares about fame and fortune wasn't in the best interest of anyone w/o those things.
Nothing against Harris, but I'm so bummed. I thought all the sane people were in agreement that Biden would run, he'd win very narrowly, he'd stay President a month or two and then step down due to health issues and Harris steps in. I was under the impression we all agreed the old straight white guy was the safest bet. The best person for the job even though he's older than God? NO, but it wasn't supposed to matter b/c you take the W any way you can during this time when Blue is losing the young vote to not being progressive enough and the Palestine issue.