Biden got 81 million votes because, 3000 Americans were dying everyday, everything was locked down, stock market fell 21,36%, GDP fell -3.98%, Unemployment spiked to 19.45%, Trump was telling people to drink bleach, crude oil collapsed, the national debt grew by 8.1 trillion under trump, ect,ect,ect.
Obama would have gotten 91 million votes or more had he been running.