Weird, and why didn’t those people show up to vote for Kamala? How did Biden get more votes than Obama, but Trump won the popular vote four years later?

> why didn’t those people show up to vote for Kamala?

Enthusiasm gap. And not during COVID. 2020 was an interesting time as you may recall.

> How did Biden get more votes than Obama, but Trump won the popular vote four years later?

You will be less likely to fall prey to grifters if you look past absolute numbers and realize that the voting age population tends to increase about 10 million every four years. And with turnout generally abysmal, under 60% most times, there is a lot of room for variation.